| choroid | (noun) a highly vascular membrane in the eye between the retina and the sclera; a dark pigmentation minimizes the scattering of light inside the eye | Synonyms: choroid coat |
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| chortle | (noun) a soft partly suppressed laugh | Synonyms: chuckle |
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| (verb) laugh quietly or with restraint | Synonyms: chuckle, laugh softly |
| chorus | (noun) the part of a song where a soloist is joined by a group of singers | Synonyms: refrain |
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| (noun) any utterance produced simultaneously by a group | - |
| (noun) a group of people assembled to sing together | - |
| (noun) a body of dancers or singers who perform together | Synonyms: chorus line |
| (noun) a company of actors who comment (by speaking or singing in unison) on the action in a classical Greek play | Synonyms: Greek chorus |
| (verb) utter in unison | - |
| (verb) sing in a choir | Synonyms: choir |
| chosen | (noun) an exclusive group of people | Synonyms: elect |
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| (noun) one who is the object of choice; who is given preference | - |
| chou | (noun) puff filled with cream or custard | Synonyms: cream puff |
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| (noun) any of various types of cabbage | Synonyms: cabbage |
| chough | (noun) a European corvine bird of small or medium size with red legs and glossy black plumage | - |
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| chouse | (verb) defeat someone through trickery or deceit | Synonyms: cheat, chicane, jockey, screw, shaft |
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| chow | (noun) breed of medium-sized dogs with a thick coat and fluffy curled tails and distinctive blue-black tongues; believed to have originated in northern China | Synonyms: chow chow |
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| (noun) informal terms for a meal | Synonyms: chuck, eats, grub |
| chowchow | (noun) a Chinese preserve of mixed fruits and ginger | - |
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| (noun) chopped pickles in mustard sauce | - |
| chowder | (noun) a thick soup or stew made with milk and bacon and onions and potatoes | - |
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| chrestomathy | (noun) a selection of passages from different authors that is compiled as an aid in learning a language | - |
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| chrism | (noun) a consecrated ointment consisting of a mixture of oil and balsam | Synonyms: chrisom, holy oil, sacramental oil |
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| chrisom | (noun) a consecrated ointment consisting of a mixture of oil and balsam | Synonyms: chrism, holy oil, sacramental oil |
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| christ | (noun) any expected deliverer | Synonyms: messiah |
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| christella | (noun) any of several tropical ferns of the genus Christella having thin brittle fronds | - |
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| christen | (verb) administer baptism to | Synonyms: baptise, baptize |
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| christening | (noun) giving a Christian name at baptism | - |
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| christian | (adjective) following the teachings or manifesting the qualities or spirit of Jesus Christ | - |
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| christianly | (adjective) becoming to or like a Christian | - |
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| christless | (adjective) not believing in Christ | Synonyms: nonchristian |
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| christlike | (adjective) resembling or showing the spirit of Christ | Synonyms: christly |
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| christly | (adjective) resembling or showing the spirit of Christ | Synonyms: christlike |
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| chroma | (noun) chromatic purity: freedom from dilution with white and hence vivid in hue | Synonyms: intensity, saturation, vividness |
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| chromaesthesia | (noun) a form of synesthesia in which nonvisual stimulation results in the experience of color sensations | Synonyms: chromesthesia |
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| chromate | (noun) any salt or ester of chromic acid | - |
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| chromatic | (adjective) being or having or characterized by hue | - |
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| (adjective) based on a scale consisting of 12 semitones | - |
| (adjective) able to refract light without spectral color separation | - |
| chromatically | (adverb) with respect to color | - |
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| chromaticity | (noun) the quality of a color as determined by its dominant wavelength | Synonyms: hue |
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| chromatid | (noun) one of two identical strands into which a chromosome splits during mitosis | - |
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| chromatin | (noun) the readily stainable substance of a cell nucleus consisting of DNA and RNA and various proteins; during mitotic division it condenses into chromosomes | Synonyms: chromatin granule |
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| chromatinic | (adjective) (of substance of a cell nucleus) readily colored by stains | - |
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| chromatism | (noun) abnormal pigmentation | - |
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| (noun) hallucinatory perception of colored lights | - |
| chromatogram | (noun) the recording (column or paper strip) on which the constituents of a mixture are adsorbed in chromatography | - |
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| chromatograph | (noun) equipment that enables a sophisticated separation, e.g. gas chromatographic or liquid chromatographic separation. | - |
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| chromatographic | (adjective) of or relating to chromatography | Synonyms: chromatographical |
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| chromatographical | (adjective) of or relating to chromatography | Synonyms: chromatographic |
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| chromatographically | (adverb) by means of a chromatographic process | - |
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| chromatography | (noun) a process used for separating mixtures by virtue of differences in absorbency | - |
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| chrome | (noun) another word for chromium when it is used in dyes or pigments | - |
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| (verb) treat with a chromium compound | - |
| (verb) plate with chromium | Synonyms: chromium-plate |
| chromesthesia | (noun) a form of synesthesia in which nonvisual stimulation results in the experience of color sensations | Synonyms: chromaesthesia |
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| chromite | (noun) a brownish-black mineral; the major source of chromium | - |
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| chromium | (noun) a hard brittle multivalent metallic element; resistant to corrosion and tarnishing | Synonyms: atomic number 24, Cr |
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| chromoblastomycosis | (noun) a fungal infection characterized by itchy warty nodules on the skin | - |
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| chromogen | (noun) a compound that can be converted to a pigment | - |
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| chromolithograph | (noun) a print made by chromolithography. | - |
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| chromolithography | (noun) single- or multi-color lithography | - |
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| chromophore | (noun) the chemical group that gives color to a molecule | - |
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| chromoplast | (noun) plastid containing pigments other than chlorophyll usually yellow or orange carotenoids | - |
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| chromosomal | (adjective) of or relating to a chromosome | - |
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| chromosome | (noun) a threadlike strand of DNA in the cell nucleus that carries the genes in a linear order | - |
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| chromosphere | (noun) a gaseous layer of the sun's atmosphere (extending from the photosphere to the corona) that is visible during a total eclipse of the sun | - |
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| chronic | (adjective) being long-lasting and recurrent or characterized by long suffering | - |
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| (adjective) persisting for a long time | Synonyms: continuing |
| (adjective) habitual | Synonyms: inveterate |
| chronically | (adverb) in a slowly developing and long lasting manner | - |
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| (adverb) in a habitual and longstanding manner | Synonyms: inveterate |
| chronicle | (noun) a record or narrative description of past events | Synonyms: account, history, story |
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| (verb) record in chronological order; make a historical record | - |
| chronicler | (noun) someone who writes chronicles | - |
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| chronograph | (noun) an accurate timer for recording time | - |
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| chronological | (adjective) relating to or arranged according to temporal order | - |
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| chronologically | (adverb) with respect to chronology | - |
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| chronologise | (verb) establish the order in time of something | Synonyms: chronologize |
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| chronologize | (verb) establish the order in time of something | Synonyms: chronologise |
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| chronology | (noun) the determination of the actual temporal sequence of past events | - |
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| (noun) a record of events in the order of their occurrence | - |
| (noun) an arrangement of events in time | - |
| chronometer | (noun) an accurate clock (especially used in navigation) | - |
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| chronoscope | (noun) an instrument for accurate measurements of small intervals of time | - |
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| chrysalis | (noun) pupa of a moth or butterfly enclosed in a cocoon | - |
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| chrysanthemum | (noun) any of numerous perennial Old World herbs having showy brightly colored flower heads of the genera Chrysanthemum, Argyranthemum, Dendranthema, Tanacetum; widely cultivated | - |
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| (noun) the flower of a chrysanthemum plant | - |
| chrysarobin | (noun) a bitter yellow powder used to treat skin diseases | Synonyms: araroba, Goa powder |
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| chrysoberyl | (noun) a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone | - |
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| chrysolite | (noun) a brown or yellow-green olivine found in igneous and metamorphic rocks and used as a gemstone | - |
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| chrysomelid | (noun) brightly colored beetle that feeds on plant leaves; larvae infest roots and stems | Synonyms: leaf beetle |
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| chrysopid | (noun) pale green unpleasant-smelling lacewing fly having carnivorous larvae | Synonyms: green lacewing, stink fly |
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| chrysoprase | (noun) a green variety of chalcedony valued as a gemstone | - |
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| chrysotherapy | (noun) the use of chemicals containing gold for treating diseases (such as rheumatoid arthritis) | - |
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| chrysotile | (noun) a grey or green fibrous mineral; an important source of commercial asbestos | - |
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| chthonian | (adjective) dwelling beneath the surface of the earth | Synonyms: chthonic, nether |
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| chthonic | (adjective) dwelling beneath the surface of the earth | Synonyms: chthonian, nether |
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| chub | (noun) European freshwater game fish with a thick spindle-shaped body | Synonyms: Leuciscus cephalus |
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| chubbiness | (noun) the property of having a plump and round body | Synonyms: pudginess, rolypoliness, tubbiness |
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| chubby | (adjective) sufficiently fat so as to have a pleasing fullness of figure | Synonyms: embonpoint, plump |
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| chuck | (noun) a holding device consisting of adjustable jaws that center a workpiece in a lathe or center a tool in a drill | - |
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| (noun) the part of a forequarter from the neck to the ribs and including the shoulder blade | - |
| (noun) informal terms for a meal | Synonyms: chow, eats, grub |
| (verb) eject the contents of the stomach through the mouth | Synonyms: barf, be sick, cast, cat, disgorge, honk, puke, purge, regorge, regurgitate, retch, sick, spew, spue, throw up, upchuck, vomit, vomit up |
| (verb) throw carelessly | Synonyms: toss |
| (verb) pat or squeeze fondly or playfully, especially under the chin | Synonyms: pat |
| (verb) throw away | Synonyms: ditch |
| chuckhole | (noun) a pit or hole produced by wear or weathering (especially in a road surface) | Synonyms: pothole |
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| chuckle | (noun) a soft partly suppressed laugh | Synonyms: chortle |
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| (verb) laugh quietly or with restraint | Synonyms: chortle, laugh softly |
| chuckwalla | (noun) a herbivorous lizard that lives among rocks in the arid parts of southwestern United States and Mexico | Synonyms: Sauromalus obesus |
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| chuddar | (noun) a cloth used as a head covering (and veil and shawl) by Muslim and Hindu women | Synonyms: chadar, chaddar, chador |
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| chufa | (noun) European sedge having small edible nutlike tubers | Synonyms: Cyperus esculentus, earth almond, ground almond, rush nut, yellow nutgrass |
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| chuff | (verb) blow hard and loudly | Synonyms: huff, puff |
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| chuffed | (adjective) very pleased | - |
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| chug | (noun) the dull explosive noise made by an engine | - |
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| (verb) make a dull, explosive sound | - |
| chukka | (noun) a shoe that comes up to the ankle and is laced through two or three pairs of eyelets; often made of suede | Synonyms: chukka boot |
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| (noun) (polo) one of six divisions into which a polo match is divided | Synonyms: chukker |
| chukker | (noun) (polo) one of six divisions into which a polo match is divided | Synonyms: chukka |
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| chum | (noun) a large Pacific salmon with small spots on its back; an important food fish | Synonyms: chum salmon, Oncorhynchus keta |
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| (noun) bait consisting of chopped fish and fish oils that are dumped overboard to attract fish | - |
| (noun) a close friend who accompanies his buddies in their activities | Synonyms: brother, buddy, crony, pal, sidekick |
| chumminess | (noun) the quality of affording easy familiarity and sociability | Synonyms: camaraderie, comradeliness, comradery, comradeship |
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| chummy | (adjective) (used informally) associated on close terms | Synonyms: buddy-buddy, thick |
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| (adjective) (used colloquially) having the relationship of friends or pals | Synonyms: matey, pally, palsy-walsy |
| chump | (noun) a person who is gullible and easy to take advantage of | Synonyms: fall guy, fool, gull, mark, mug, patsy, soft touch, sucker |
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| chunga | (noun) Argentinian Cariama | Synonyms: Chunga burmeisteri, seriema |
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| chunk | (noun) a compact mass | Synonyms: ball, clod, clump, glob, lump |
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| (noun) a substantial amount | - |
| (verb) group or chunk together in a certain order or place side by side | Synonyms: collocate, lump |
| (verb) put together indiscriminately | Synonyms: lump |
| chunking | (noun) (psychology) the configuration of smaller units of information into large coordinated units | Synonyms: unitisation, unitization |
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| chunky | (adjective) short and thick; as e.g. having short legs and heavy musculature | Synonyms: dumpy, low-set, squat, squatty, stumpy |
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| (adjective) like or containing small sticky lumps | Synonyms: lumpy |
| chunnel | (noun) the railroad tunnel between France and England under the English Channel | Synonyms: Channel Tunnel |
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| church | (noun) a service conducted in a house of worship | Synonyms: church service |
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| (noun) a place for public (especially Christian) worship | Synonyms: church building |
| (noun) one of the groups of Christians who have their own beliefs and forms of worship | Synonyms: Christian church |
| (noun) the body of people who attend or belong to a particular local church | - |
| (verb) perform a special church rite or service for | - |
| churchgoer | (noun) a religious person who goes to church regularly | Synonyms: church member |
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