/saɪkleɪdz/, /ˈsɪklədiːz/
An Aegean island chain in southeast-central Greece, surrounding the main island Delos, further including the islands of Andros, Amorgos, Irakleia, Kea, Mykonos Naxos, Paros, Santorini, Syra, Tinos and others.

/ˈsɪɡnəs/
(constellation) A summer constellation of the northern sky, said to resemble a swan. It includes the triple star system HD 188753 and the stars Deneb and Albireo.

/ˈsɪp.ɹi.ət/
Of, from, or relating to Cyprus.

/ˈsɪp.ɹi.ət/
A person from Cyprus.

/ˈsaɪ.pɹəs/
An island and country in the Mediterranean Sea, normally considered politically part of Southeast Europe but geographically part of Western Asia. Official name: Republic of Cyprus. Capital: Nicosia.

/ˈsaɪɹəl/, /ˈsɪɹəl/
A en given name; best known for a ninth century missionary to the Slavs.

/sɪˈɹɪl.ɪk/
Denoting an alphabet devised for writing the Old Church Slavonic liturgical language, and its adaptations used for several languages of Eastern Europe and Asia; of or relating to this writing system.

/sɪˈɹɪl.ɪk/
The Cyrillic alphabet or writing system.

/saɪˈæn/, /sʌɪˈæn/, /ˈsaɪ.ən/, /ˈsaɪˌæn/, /[səjˈan]/, /[ˈsəjan]/
Of the colour cyan.

/saɪˈæn/, /sʌɪˈæn/, /ˈsaɪ.ən/, /ˈsaɪˌæn/, /[səjˈan]/, /[ˈsəjan]/
An additive secondary colour midway between green and blue, evoked by wavelengths between ~490 and ~520 nm.

/ˈsaɪənaɪd/
(inorganic compound, organic compound, countable) Any compound containing the -C≡N group or the CN− anion.

(biology) Any of very many photosynthetic prokaryotic microorganisms, of phylum Cyanobacteria.

/ˌsaɪəˈnoʊsɪs/
(pathology) A blue discolouration of the skin due to the circulation of blood low in oxygen.

/ˈsaɪbə/, /ˈsaɪbɚ/
(Internet) Relating to the Internet or cyberspace, or to computers more generally.

An attack or intrusion by means of a computer network such as the Internet, often for the purpose of spying.

Acts in cyberspace intended to make life unpleasant for another person.

/ˌsaɪbə(ɹ)ˈnɛtɪk/, /ˌsaɪbɚˈnɛtɪk/
Of or relating to cybernetics—the mathematical study of communication and control in living organisms or machines.

Someone who studies cybernetics.

/ˌsaɪ.bə(ɹ)ˈnɛ.tɪks/

1. The theory/science of communication and control in living organisms or machines.
2. The art/study of governing, controlling automatic processes and communication.
3. Technology related to computers and Internet.

/ˈsaɪ.bə.pʌŋk/, /ˈsaɪ.bɚˌpʌŋk/

1. (science fiction, uncountable) A subgenre of science fiction which focuses on computer or information technology and virtual reality juxtaposed with a degree of breakdown or radical change in the social order.
2. (music genre, uncountable) A musical genre related to the punk movement that makes use of electronic sounds such as synthesizers.

/saɪbəsɪˈkjʊəɹɪtɪ/
Security against electronic attacks such as cyberwarfare or cyberterrorism.

A virtual sexual encounter in which two or more persons connected remotely by means of a computer network send one another sexually explicit messages simulating a sexual experience.

/ˈsaɪ.bəɹˌspeɪs/, /ˈsaɪ.bəˌspeɪs/
A world of information accessed through the Internet.

(computing) The deliberate, large-scale disruption of networks of computers, especially of computers attached to the Internet, by means of viruses etc.

/ˈsaɪ.boɹɡ/, /ˈsaɪ.bɔː(ɹ)ɡ/
(scifi) A being which is part machine and part organic.

/ˈsaɪkæd/, /ˈsaɪkəd/
(botany) Any plant of the division Cycadophyta, having a stout and woody trunk with a crown of large, hard and stiff, evergreen leaves.

Any of various primulaceous flowering plants, of the genus Cyclamen, widely cultivated as a houseplant, having decorative leaves and solitary flowers.

/ˈsaɪ.kəl/, /ˈsɑe.kəl/, /[ˈsaɪ.kɫ̩]/, /[ˈsɑe.kɫ̩]/, /[ˈsɑe̯.ko]/, /[ˈsɑe̯.kɫ̩]/, /[ˈsɑe̯.kʊ]/, /[ˈsʌɪ.kəl]/

1. A complete rotation of anything.
2. A process that returns to its beginning and then repeats itself in the same sequence.
3. A series of poems, songs or other works of art, typically longer than a trilogy.
4. (graph theory) A closed walk or path, with or without repeated vertices allowed.

(music, _, theory) A sequence of bass notes at intervals of one perfect fifth lower than the previous note. In twelve-tone equal temperament the sequence repeats every twelve tones, forming a cycle.

A rickshaw, mostly used as taxi, with two wheels in the back for the carriage and one wheel for steering in the front (or sometimes vice versa), propelled by the action of a driver’s feet upon pedals.

/ˈsaɪ.klɪk/, /ˈsɑɪ.klɪk/, /ˈsɪk.lɪk/
Characterized by, or moving in cycles, or happening at regular intervals; cyclical

/ˈsaɪk(ə)lɪŋ/

1. (uncountable) The activity of riding cycles, especially bicycles (for transport, sport, physical exercise, recreation, tourism...)
2. (uncountable) The sport of riding and racing cycles, especially bicycles.

/ˈsaɪ.klɪst/
A person who rides a cycle, especially a bicycle, or who habitually engages in cycling.

1. cyklista
2. cyklistka

/ˈsaɪkləʊˌkɹɒs/
(cycle racing) A form of bicycle racing consisting of many laps of a short course featuring pavement, wooded trails, grass, steep hills and obstacles and requiring the rider to quickly dismount, carry the bike whilst navigating the obstruction and remount in one motion.

/ˌsaɪkloʊˈhɛkseɪn/
(organic compound) An alicyclic hydrocarbon, C6H12, consisting of a ring of six carbon atoms; a volatile liquid.

/ˈsaɪklɔɪd/
(geometry) The locus of a point on the circumference of a circle that rolls without slipping on a fixed straight line.

/ˈsaɪ.kloʊn/, /ˈsaɪ.kləʊn/
(broadly) Any weather phenomenon consisting of a system of winds rotating around a centre of low atmospheric pressure; a low pressure system.

1. cyklóna
2. cyklón

(organic compound) an unsaturated alicyclic hydrocarbon, C5H6; it forms complexes with some transition elements

/ˈsaɪˌklɑps/, /ˈsaɪˌklɒps/
(Greek mythology, Roman mythology) A one-eyed giant from Greek and Roman mythology.

(medicine) A chronic mental disturbance characterized by mood swings and depression.

/ˈsɪləndɚ/, /ˈsɪlɪndə(ɹ)/, /[ˈsɪlɪ̈ndɚ]/

1. (geometry) A surface created by projecting a closed two-dimensional curve along an axis intersecting the plane of the curve.
   1. válec
   2. válcová plocha
2. 1. (geometry) A solid figure bounded by a cylinder and two parallel planes intersecting the cylinder.
   2. Any object in the form of a circular cylinder.
   3. A cylindrical cavity or chamber in a mechanism, such as the counterpart to a piston found in a piston-driven engine.
   válec

/sɪˈlɪndɹɪkəl/
Shaped like a cylinder.

1. válcovitý
2. válcový

/ˈsɪmbəl/, /[ˈsɪmbɫ̩]/
(percussion instrument) A concave plate of metal, usually brass or bronze, that produces a sharp, ringing sound when struck: played either in pairs, by striking them together, or singly by striking with a drumstick or the like.

/ˈsaɪ.məˌfeɪn/, /ˈsʌɪ.mə(ʊ)ˌfeɪn/
(mineral) A translucent yellowish chatoyant chrysoberyl.

/ˈsɪnɪk/

1. cynical (in all senses)
2. (not comparable) Relating to the Dog Star.

/ˈsɪnɪkəl/
Of or relating to the belief that human actions are motivated only or primarily by base desires or selfishness.

/ˈsɪn.ɪk.(ə.)li/
in a cynical manner

/ˈsɪn.ɪˌsɪzəm/
(countable) A scornfully pessimistic comment or act.

One who studies dogs.

The study of dogs.

Any sedge of genus Cyperus.

/ˈsaɪ.pɹəs/
An evergreen coniferous tree with flattened shoots bearing small scale-like leaves, whose dark foliage is sometimes associated with mourning, in family Cupressaceae, especially the genera Cupressus and Chamaecyparis.

An erect, perennial spurge, native to Europe and an invasive species in North America, of species Euphorbia cyparissias.

/sɪst/
A pouch or sac without opening, usually membranous and containing morbid matter, which develops in one of the natural cavities or in the substance of an organ.

/ˈsɪs.tɪ.iːn/
(amino acid) A sulphur-containing nonessential amino acid C3H7NO2S found in most animal proteins; it readily oxidizes to cystine.

(pathology) An inherited condition in which the exocrine glands produce abnormally viscous mucus, causing chronic respiratory and digestive problems.

(pathology) A disorder caused by abnormal metabolism of cystine.

/sɪsˈtaɪtɪs/
(pathology) Inflammation of the urinary bladder.

Any flowering plant in the genus Cytisus.

(biology, genetics) The branch of genetics that studies the relationships between the structure and number of chromosomes as seen in isolated cells and variation in genotype and phenotype.

/saɪˈtɑːləd͡ʒɪst/, /saɪˈtɒlədʒɪst/
A biologist who studies cells.

/saɪˈtɑləd͡ʒi/, /saɪˈtɒləd͡ʒi/
(biology) The study of cells.

The pathological breakdown of a cell due to the bursting of the cell membrane caused by osmosis

1. cytolýza
2. plazmoptýza

/ˈsaɪtoʊˌplæzəm/, /ˈsaɪtəʊˌplæzəm/, /ˈsɑetəʉˌplæzəm/, /[ˈsaɪɾoʊˌplæzəm]/, /[ˈsɑeɾəʉˌplæzəm]/
(cytology) The contents of a cell except for the nucleus. It includes cytosol, organelles, vesicles, and the cytoskeleton.

/saɪtə(ʊ)ˈplazmɪk/
(cytology) Of or pertaining to cytoplasm.

/ˈsaɪtəsiːn/
(biochemistry) A heterocyclic base, 4-aminopyrimidin-2(1H)-one, which pairs with guanine in DNA and RNA (by means of three hydrogen bonds).

Tending to inhibit the growth and multiplication of cells.

Any substance which inhibits cell growth and multiplication.