(geology) The Ordovician period.

A mountain range dividing Germany and the Czech Republic.

/ˈɑɹɪɡən/, /ˈɒɹɪɡən/, /ˈɔɹəɡɪn/, /ˈɔɹɡən/, /ˈɔɹɪɡɑn/, /ˈɔɹɪɡən/
A state in the Pacific Northwest region of the United States. Capital: Salem. Largest city: Portland.

(humanities) an academic field of study that embraces Near Eastern and Far Eastern societies and cultures, languages, peoples, history and archaeology

/ˌoɹ.ɪˈnoʊ.koʊ/, /ˌoʊ.ɹɪˈnoʊ.koʊ/, /ˌɒɹɪˈnəʊkəʊ/
The Orinoco river basin of Venezuela.

/ɔˈrijə/
Odia, the language spoken in the state of Odisha, India.

/ɔːˈɹɒnti.ən/
Of or pertaining to the Orontes.

/ˈɔɹfi.əs/, /ˈɔɹfjuːs/
(Greek mythology) A Thracian musician and poet, who failed to retrieve his wife Eurydice from Hades.

(Christianity, loosely) Of or pertaining to a particular Orthodox Church, usually the Eastern Orthodox Church, sometimes the Oriental Orthodox Church or the Church of the East.

1. pravoslavný
2. pravověrný

The Eastern body of Christendom.

/ˈɔːɹθədɑːksi/, /ˈɔːθədɒksi/
The aggregate of the definitive elements of the Eastern Orthodox Church, such as its faith, worship, theology, and traditions.

/ɔɹˈwɛli.ən/, /ɔːˈwɛli.ən/
Resembling the totalitarian political methods decried in the works of writer George Orwell, particularly in the dystopian novel Nineteen Eighty-Four; characterized by use of misleading terminology, propaganda, censorship, surveillance and repression. [1950]

Orwellian systems or methods generally; totalitarian propaganda, surveillance, repression, etc.

A city, the administrative center of Oryol Oblast, Russia.

A city in Mehedinți County, Romania.

/oɹ/, /ɑɹ/, /ɔː(ɹ)/, /ə(ɹ)/, /ɚ/, /[oːɹ]/, /[ɔ(ː)ɹ]/, /[əɹ]/, /[ɚ]/

1. (logic) An operator denoting the disjunction of two propositions or truth values. There are two forms, the inclusive or and the exclusive or.
2. Otherwise (a consequence of the condition that the previous is false).

/ˈɒɹəkəl/, /ˈɔɹəkəl/
A shrine dedicated to some prophetic deity.

1. orákulum
2. věštírna

/ˈo(ː)ɹəl/, /ˈorəl/, /ˈoː.ɹəl/, /ˈɑ.ɹəl/, /ˈɔ.ɹəl/, /ˈɔː.ɹəl/

1. (relational) Relating to the mouth.
   1. ústní
   2. orální
2. (relational) Spoken rather than written.
   ústní

The practice of keeping the mouth clean in order to prevent cavities (dental caries), gingivitis, periodontitis, bad breath (halitosis), and other dental disorders.

Stimulation of another person's genitals or anus using the mouth, lips, and/or tongue.

1. orální sex
2. kuřba

Cultural material transmitted orally from one generation to another.

/ˈɑɹənd͡ʒ/, /ˈɒɹənd͡ʒ/, /ˈɒɹənʒ/, /ˈɒɹɪnd͡ʒ/, /ˈɒɹɪnʒ/, /ˈɔɹnd͡ʒ/, /ˈɔɹənd͡ʒ/, /ˈɔɹəŋʒ/
Having the colour of the fruit of an orange tree; yellowred; reddish-yellow.

1. oranžový
2. pomeranč

/ˈɑɹənd͡ʒ/, /ˈɒɹənd͡ʒ/, /ˈɒɹənʒ/, /ˈɒɹɪnd͡ʒ/, /ˈɒɹɪnʒ/, /ˈɔɹnd͡ʒ/, /ˈɔɹənd͡ʒ/, /ˈɔɹəŋʒ/

1. (countable) An evergreen tree of the genus Citrus such as Citrus sinensis which yields oranges (the fruit).
   1. pomerančovník
   2. pomeranč
2. (countable) Any round citrus fruit with a yellow-red colour when ripe and a sour-sweet taste; the fruit of the orange tree.
   1. pomeranč
   2. oranžový
3. 1. An orange-coloured and orange-flavoured cordial.
   2. An orange-coloured and orange-flavoured soft drink.
   1. oranžový
   2. pomeranč

The juice of squeezed oranges; used as a beverage or in cocktails. (This entry is a translation hub.)

/ˈɒ.ɹɪnˌdʒeɪd/

1. A soft drink or a soda with an orange flavor.
   1. oranžáda
   2. pomerančová limonáda
2. A mixture of soda water and orange juice.
   oranžáda

/oʊˈɹæŋ-/, /ɔəˌɹæŋuːˈtæn/, /ɔˈɹæŋ.ʊˌtæn/, /əˈɹæŋ.əˌtæn/, /əˈɹæŋ.əˌtæŋ/, /əˈɹæŋˌə.tæŋ/, /əˈɹæŋˌə.tɛːŋ/, /əˌɹæŋ.uːˈtæn/, /əˌɹæŋ.uːˈtæŋ/, /ɵˈɾɑŋɡʊʈɑn/, /ˌɔə.ɹæŋˈuː.tæn/
An arboreal ape, characterised by their shaggy reddish-brown coat and long arms, which comprise the genus Pongo, native to Borneo and Sumatra.

/ɵˈɾeʈə(ɾ)/, /ˈɑɹ.ə.tɚ/, /ˈɒ.ɹə.tə(ɹ)/
Someone who orates or delivers an oration.

1. řečnice
2. řečník

/ɔɹb/, /ɔːb/

1. A spherical body; a sphere, especially one of the celestial spheres; a sun, planet, or star
   1. koule
   2. nebeské těleso
2. (poetic) The eye, seen as a luminous and spherical entity
   oko

/ˈɔɹ.bɪt/, /ˈɔː.bɪt/
(pinball) A path for the ball on the outer edge of the playfield, usually connected so that the ball entering in one end will come out of the other.

1. orbita
2. oběžná dráha

/ˈɔɹ.bɪt/, /ˈɔː.bɪt/

1. (astronomy, transitive) To circle or revolve around another object or position.
   obíhat
2. (transitive) To place an object (e.g. a satellite) into an orbit around a planet.
   vyslat

/ɔɹk/, /ɔːk/
(fantasy, mythology) A mythical evil monstrous humanoid creature, usually quite aggressive and often green. [from 17th c.]

1. ork
2. skřet

/ˈoɹkə/, /ˈɔːkə/

/ˈɔɹ.t͡ʃɚd/, /ˈɔː.tʃəd/
A garden or an area of land for the cultivation of fruit or nut trees.

One who owns or operates an orchard.

/ˈɔɹkəstɹə/, /ˈɔːkəstɹə/

1. (music) A large group of musicians who play together on various instruments, usually including some from strings, woodwind, brass and/or percussion; the instruments played by such a group.
2. (Ancient Greece, theater) A semicircular space in front of the stage used by the chorus in Ancient Greek and Hellenistic theatres.
3. The area in a theatre or concert hall where the musicians sit, immediately in front of and below the stage, sometimes (also) used by other performers.

(performing arts) A sunken area in front of a stage in which musicians, largely hidden from view, play music to accompany stage performances.

/ˈɔɹ.kɪd/, /ˈɔː.kɪd/
A plant of the orchid family (Orchidaceae), bearing unusually-shaped flowers of beautiful colours. [mid-19th c.]

1. orchidea
2. orchidej

/ˈɔɹ.dɚ/, /ˈɔː.də/, /ˈɔːdə(r)/, /[ˈɔɹ.ɾɚ]/

1. (countable) Arrangement, disposition, or sequence.
   1. řád
   2. pořádek
2. (countable) A position in an arrangement, disposition, or sequence.
   1. pořadí
   2. uspořádání
3. (countable) A command.
   1. rozkaz
   2. povel
4. (countable) A request for some product or service; a commission to purchase, sell, or supply goods.
   objednávka
5. 1. (countable) A group of religious adherents, especially monks or nuns, set apart within their religion by adherence to a particular rule or set of principles.
   2. A number of things or persons arranged in a fixed or suitable place, or relative position; a rank; a row; a grade; especially, a rank or class in society; a distinct character, kind, or sort.
   1. řád
   2. uspořádání
6. 1. (countable) A decoration, awarded by a government, a dynastic house, or a religious body to an individual, usually for distinguished service to a nation or to humanity.
   2. (electronics) A power of polynomial function in an electronic circuit’s block, such as a filter, an amplifier, etc.
   3. (graph theory, of a graph) The number of vertices in the graph (i.e. the set-theoretic order of the set of vertices of the graph).
   řád
7. (countable, biology, taxonomy) A category in the classification of organisms, ranking below class and above family; a taxon at that rank.
   1. řád
   2. pořadí
8. (order theory) A partially ordered set.
   uspořádaná množina

/ˈɔɹ.dɚ/, /ˈɔː.də/, /ˈɔːdə(r)/, /[ˈɔɹ.ɾɚ]/

1. (transitive) To issue a command to; to charge.
   1. rozkazovat
   2. rozkázat
2. (transitive) To request some product or service; to secure by placing an order.
   1. objednat
   2. objednávat
3. To admit to holy orders; to ordain; to receive into the ranks of the ministry.
   uspořádat

(set theory) An object containing exactly two elements in a fixed order, so that, when the elements are different, exchanging them gives a different object. Notation: (a, b) or \langle a, b\rangle.

/ˈɔɹdɚli/, /ˈɔːdəli/
A hospital attendant given a variety of non-medical duties.

/ˈoː.dɪ.nəl/, /ˈɔɹ.dɪ.nəl/, /ˈɔː.dɪ.nəl/
(maths, of a number) Indicating position in a sequence.

1. pořadový
2. řadový

/ˈɔː(ɹ).dɪ.nəl ˈnjuːməɹəl/, /ˈɔːɹd.nəl ˈnumɜɹəl/
(grammar) A word used to represent an ordinal number.

(statistics) A variable with values whose order is significant, but on which no meaningful arithmetic-like operations can be performed.

1. ordinální proměnná
2. pořadová proměnná

/ˈoɹdnəns/, /ˈoɹdɪnəns/, /ˈɔːdnəns/, /ˈɔːdɪnəns/

1. (US) A local law, passed by e.g. a city.
   1. nařízení
   2. příkaz
   3. zákaz
2. A religious practice or ritual prescribed by a church.
   1. liturgie
   2. ritus

The office of a Roman Catholic ordinary, especially a bishop.

/ˈɔɹdɪnɛ(ə)ɹi/, /ˈɔɹdɪnɛɹi/, /ˈɔːdənɹi/, /ˈɔːdɪnəɹi/
Being part of the natural order of things; normal, customary, routine.

/ˈoɹdnəns/, /ˈoɹdɪnəns/, /ˈɔːdnəns/, /ˈɔːdɪnəns/

1. Military equipment, especially weapons and ammunition.
   výzbroj
2. Artillery.
   artilérie

/-bəɹəl/, /-bɹəl/, /-də-/, /ˌɔɹdoʊˈlɪbəɹəlɪzəm/, /ˌɔːdəʊˈlɪbɹəlɪz(ə)m/
(economics, politics) A political philosophy that emphasizes the desirability of the government establishing rules to maximize the potential of the free market to produce results.

/o(ː)ɹ/, /oə/, /oɹ/, /ɔː/
Rock or other material that contains valuable or utilitarian materials; primarily a rock containing metals or gems for which it is typically mined and processed.

/ɒɹɪˈɡɑːnəʊ/, /əˈɹɛɡənoʊ/, /əˈɹɛɡənəʊ/
The leaves of these plants used in flavouring food.

1. oregano
2. dobromysl obecná

/ˈɔɹɡən/, /ˈɔːɡən/

1. 1. The larger part of an organism, composed of tissues that perform similar functions.
   2. (by extension) A body of an organization dedicated to the performing of certain functions.
   orgán
2. (musical instruments) A musical instrument that has multiple pipes which play when a key is pressed (the pipe organ), or an electronic instrument designed to replicate such.
   varhany

/ˌɔɹ.ɡənˈɛl/
(cytology) A specialized structure found inside cells that carries out a specific life process (e.g. ribosomes, vacuoles).

/ɔɹˈɡænɪk/, /ɔːˈɡænɪk/

1. 1. (biology) Pertaining to or derived from living organisms. [from 1778]
   2. (chemistry) Relating to the compounds of carbon, relating to natural products.
   organický
2. (agriculture) Of food or food products, grown in an environment free from artificial agrichemicals, and possibly certified by a regulatory body. [from 1942]
   1. ekologický
   2. organický

(chemistry) The chemistry of organic compounds (that is, chemical compounds with carbon atoms in a covalent bond).

(organic chemistry) Any compound containing carbon atoms covalently bound to other atoms.

/ɔʳˈɡan.ɪzəm/, /ˈɔː.ɡəˌnɪz.əm/
Something with many separate interdependent parts, seen as being like a living thing; an organic system. [from 18th c.]

A musician who plays the organ.

/ˌɔɹɡnɪˈzeɪʃən/, /ˌɔɹɡənaɪˈzeɪʃən/, /ˌɔɹɡənɪˈzeɪʃən/, /ˌɔɹˈɡænɪzeɪʃən/, /ˌɔːɡənaɪˈzeɪʃən/

1. (uncountable) The quality of being organized.
   1. organizace
   2. uspořádání
2. 1. (uncountable) The way in which something is organized, such as a book or an article.
   2. (countable) A group of people or other legal entities with an explicit purpose and written rules.
   3. (countable) A group of people consciously cooperating.
   organizace

/ˌɔː(ɹ)ɡənaɪˈzeɪʃənəl/, /ˌɔː(ɹ)ɡənɪˈzeɪʃənəl/
Of, relating to, or produced by an organization.

/ˈɔɹɡənaɪz/, /ˈɔːɡənaɪz/

1. (transitive) To arrange in working order.
   1. srovnat
   2. uspořádat
   3. zorganizovat
2. (transitive) To constitute in parts, each having a special function, act, office, or relation; to systematize.
   1. zorganizovat
   2. roztřídit
   3. utřídit
   4. zatřídit
3. (transitive, chiefly used in the past participle) To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life
   1. organizovat
   2. organizovat se
   3. zorganizovat

/ˈɔɹɡənaɪzd/, /ˈɔːɡənaɪzd/
(of a person) Characterized by efficient organization.

A large criminal organization, or a group of such organizations, that deals in illegal goods and services.

/ˈɔɹɡənaɪzɚ/

1. A person who arranges the details of a public event.
   1. organizátor
   2. pořadatel
   3. organizátorka
   4. pořadatelka
2. (computing) A hand-held micro-computer that will perform specific tasks; can be used as an electronic diary, alarm clock, recorder of memos and notes, a portable database etc.
   organizér

/ˈoɹ.ɡæ.zəm/, /ˈɔː.ɡæ.zəm/
A rush of sexual excitement; now specifically, the climax or peak of sexual pleasure, which occurs during sexual activity and which in males may include ejaculation and in females vaginal contractions. [from 18th c.]

/ˈɔɹd͡ʒi/, /ˈɔː.d͡ʒi/
A gathering of people to engage in group sex.

/ˈɒɹ.ɪˌɛnt/, /ˈɔɹ.iˌɛnt/, /ˈɔː.ɹɪˌɛnt/

1. (transitive, by extension) To align or place (a person or object) so that his, her, or its east side, north side, etc., is positioned toward the corresponding points of the compass; (specifically, surveying) to rotate (a map attached to a plane table) until the line of direction between any two of its points is parallel to the corresponding direction in nature.
2. (transitive, often, reflexive, figuratively) To familiarize (oneself or someone) with a circumstance or situation.
3. (transitive, figuratively) To set the focus of (something) so as to appeal or relate to a certain group.

.

A wader, Glareola maldivarum.

/ˌɔɹiˈɛntəlɪst/
A scholar who studies the Orient; a person interested in the Orient.

(sport) The act of racing across unfamiliar place using a map and compass.

/ˌɒɹɪˈɡɑːmɪ/, /ˌɔɹəˈɡɑmi/, /[ˌɔɹɪ̈ˈɡɑmi]/
(uncountable, art) The Japanese art of paper folding.

/ɵrɪˈdʒɪn/, /ˈɑɹ.ɪ.d͡ʒɪn/, /ˈɒɹ.ə.d͡ʒən/, /ˈɒɹ.ɪ.d͡ʒɪn/, /ˈɔrɪdʒɪn/, /ˈɔɹ.d͡ʒɪn/, /ˈɔɹ.ɪ.d͡ʒɪn/

1. The beginning of something.
   1. vznik
   2. počátek
2. The source of a river, information, goods, etc.
   1. pramen
   2. počátek
3. (mathematics) The point at which the axes of a coordinate system intersect.
   počátek
4. (in the plural) Ancestry.
   původ

/ɒˈɹɪd͡ʒɪnəl/<q:obsolete><ref:{{R:Jespersen MEGoHP|I|13.28|362}}>/, /əˈɹɪd͡ʒnəl/, /əˈɹɪd͡ʒənəl/, /əˈɹɪd͡ʒɪnəl/, /ɵr(ɪ)ˈdʒɪnəl/
(not comparable) First in a series of copies or versions.

1. původní
2. originální

/ɒˈɹɪd͡ʒɪnəl/<q:obsolete><ref:{{R:Jespersen MEGoHP|I|13.28|362}}>/, /əˈɹɪd͡ʒnəl/, /əˈɹɪd͡ʒənəl/, /əˈɹɪd͡ʒɪnəl/, /ɵr(ɪ)ˈdʒɪnəl/
An object or other creation (e.g. narrative work) from which all later copies and variations are derived.

(Christianity) The state of sinfulness, present in each human from birth, which is a result of Adam's disobedience.

/əˈɹɪd͡ʒnəli/, /əˈɹɪd͡ʒənəli/, /əˈɹɪd͡ʒɪnəli/
(not comparable) As it was in the beginning; at first.

/ɔˈɹɪd͡ʒɪneɪtɚ/, /əˈɹɪd͡ʒɪneɪtə/, /əˈɹɪd͡ʒɪneɪtɚ/, /[ɔˈɹɪd͡ʒɪneɪɾɚ]/, /[əˈɹɪd͡ʒɪneɪɾɚ]/
Someone who originates, creates or founds something.

/ˈɔɹ.iˌoʊl/, /ˈɔː.ɹiːˌəʊl/
Any of various colourful passerine birds, the New World orioles from the family Icteridae and the Old World orioles from the family Oriolidae.

/ˈɔɹnəmənt/, /ˈɔɹnəˌmɛnt/, /ˈɔː(ɹ)nəmənt/, /ˈɔː(ɹ)nəˌmɛnt/
An element of decoration; that which embellishes or adorns.

1. ornament
2. ozdoba

/ˌɔɹnəˈmɛntl/, /ˌɔːnəˈmɛntl/
Serving as an ornament; having no purpose other than to make more beautiful.

/ˌɔɹnəˈmɛntl/, /ˌɔːnəˈmɛntl/
An ornamental plant.

/ˌɔɹnɪθəˈlɑd͡ʒɪkəl/, /ˌɔːnɪθəˈlɒd͡ʒɪkəl/
Of or pertaining to ornithology.

/ˌɔɹnɪˈθɑləd͡ʒɪst/, /ˌɔːnɪˈθɒləd͡ʒɪst/
A person who studies or practices ornithology.

1. ornitolog
2. ornitoložka

/ˌɔɹnɪˈθɑlədʒi/, /ˌɔːnɪˈθɒlədʒi/
The branch of zoology that deals with the scientific study of birds.

(medicine) A zoonotic infectious disease (of birds) caused by a bacterium called Chlamydia psittaci, it can be transmitted to humans and other animals. When carried by any species of bird belonging to the Psittacidae family (parrots), it is called psittacosis or parrot fever.

(anatomy) Of or affecting both the mouth and face.

(geology) The process of mountain formation by deformation of the Earth's crust.

/ɒˈɹɒdʒɪni/, /əˈɹɒdʒɪni/
(geology) The process of mountain building by the upward folding of the Earth's crust.

/ˈɔɹfən/, /ˈɔːfən/, /ˈɔːɹfənt/
A person, especially a minor, both or (rarely) one of whose parents have died.

1. sirotek
2. sirota

/ˈɔː(ɹ)fənɪd͡ʒ/
A residential institution for the care and protection of orphans.

1. sirotčinec
2. dětský dům

The state of being an orphan; the losing of both parents through their death.

/ˈɔɹfɹi/, /ˈɔːfɹi/
(Christianity) An embroidered ornamental band or border on an ecclesiastical vestment, altar frontal, etc. [from 15th c.]

/ˈɔːp(ʌ)ɪn/
Any of several temperate succulent plants of the family Crassulaceae, that have clusters of purple flowers, especially Hylotelephium telephium.

(mineral) Potassium aluminum silicate, KAlSi3O8, a common feldspar of igneous, plutonic, and metamorphic rocks. Orthoclase is the main feldspar of pegmatite occurrences, where it is most commonly flesh-colored. Orthoclase is used in the ceramic and glass industries and as a decorative gravel.

(medicine) A specialty of dentistry concerned with correcting misalignment of teeth.

/ˈɔɹθədɑks/, /ˈɔːθədɒks/
Conforming to the accepted, established, or traditional doctrines of a given faith, religion, or ideology. [from 15th c.]

1. ortodoxní
2. pravověrný

/ˈɔɹθədɑksi/, /ˈɔːɹθədɑːksi/, /ˈɔːθədɒksi/
Correctness of doctrine and belief in regard to any doctrinal (i.e. philosophical or theological) system.

(geometry) A great circle, or part of one.

/ɔɹˈθoʊ.ə.pi/, /ɔːˈθəʊ.ɨ.pi/, /ˈɔɹ.θoʊˌɛ.pi/, /ˈɔː.θəʊ.ɨ.pi/, /ˈɔː.θəʊˌiː.pi/, /ˈɔː.θəʊˌɛ.pi/
The study of pronunciation. [1640]

/oːˈθɒɡ.ə.nəl/, /oːˈθɔɡ.ə.nəl/, /ɔɹˈθɑ.ɡə.nəl/, /ɔɹˈθɒɡ.ə.nəl/, /ɔːˈθɒɡ.ə.nəl/, /[oːˈθɔ̟ɡ.ə.nəl]/

1. (geometry) Of two objects, at right angles; perpendicular to each other.
   pravoúhlý
2. (mathematics)
   kolmý
3. Of a pair of elements in an ortholattice: each less than or equal to the orthocomplement of the other.
   1. kolmý
   2. pravoúhlý

/oːˌθɒɡ.əˈnæl.ə.ti/, /oːˌθɔɡ.əˈnæl.ə.ti/, /ɔɹˌθɑ.ɡəˈnæl.ə.ti/, /ɔɹˌθɒɡ.əˈnæl.ə.ti/, /ɔːˌθɒɡ.əˈnæl.ɪ.ti/, /[oːˌθɔɡ.əˈnæl.ə.ɾi]/, /[oːˌθɔ̟ɡ.əˈnæl.ə.ɾi]/, /[ɔɹˌθɑ.ɡəˈnæl.ə.ɾi]/, /[ɔɹˌθɒɡ.əˈnæl.ə.ɾi]/
(mathematics, statistics, software engineering) The property of being orthogonal.

/ˌɔːɹθəˈɡɹæfɪk/, /ˌɔːθəˈɡɹæfɪk/

1. Of a projection used in maps, architecture etc., in which the rays are parallel.
   ortografický
2. Of, or relating to, orthography.
   1. pravopisný
   2. ortografický

/ɔ(ɾ)t̪ʰoɡɾæpʰi/, /ɔɹˈθɑɡɹəfi/, /ɔːˈθɒɡɹəfi/
(uncountable) Correct spelling according to established usage; also (obsolete) pronunciation according to the spelling of a word.

1. pravopis
2. ortografie

(functional analysis, geometry, linear algebra) Of a linear transformation: that preserves both angles and lengths.

/ˌɔɹθəˈpidɪks/, /ˌɔːθəˈpiːdɪks/
(medicine) The branch of medicine that deals with the prevention or correction of disorders of the bones and associated muscles and joints

An aerial photograph that has been geometrically corrected (orthorectified) such that the scale of the photograph is uniform, meaning that the photo can be considered equivalent to a map.

Of or relating to orthopnea—a morbid condition in which respiration can be performed only in an erect posture.

(psychology) A fixation with healthy or righteous eating.

A sage, of species Salvia viridis.

/ˈoʊɹ.ɪks/, /ˈɔɹ.ɪks/
Any of several antelopes, of the genus Oryx, native to Africa, which have long, straight horns