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English Words Starting With C

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Noun Verb Adjective Adverb Plural noun Combining form Verb (transitive)Verb (intransitive)Verb (ambitransitive)

carbonyl group
nounC2
/ˈkɑːbənɪl ɡruːp/A functional group in organic chemistry consisting of a carbon atom double-bonded to an oxygen atom (C=O).
carbonylate
verb-transitiveVery Low (Technical/Scientific)
/kɑːˈbɒnɪleɪt/To introduce a carbonyl group (-C=O) into a chemical compound.
carborane
nounExtremely low/Very rare
/ˈkɑː.bə.ɹeɪn/A cluster compound composed of boron, carbon, and hydrogen atoms.
carborundum
nounLow
/ˌkɑːbəˈrʌndəm/An extremely hard crystalline compound of silicon and carbon (silicon carbide), used as an abrasive.
carboxyhaemoglobin
nounRare
/kɑːˌbɒksɪˌhiːməˈɡləʊbɪn/A stable compound formed in the blood when carbon monoxide binds to haemoglobin, inhibiting its oxygen-carrying capacity.
carboxyl group
nounC2
/kɑːˈbɒksɪl ɡruːp/The univalent functional group –COOH, consisting of a carbonyl group bonded to a hydroxyl group. It is the defining functional group of carboxylic acids.
carboxylase
nounC2
/kɑːˈbɒksɪleɪz/an enzyme that catalyzes the addition or removal of a carboxyl group (COOH) from a substrate
carboxylate
nounverb-transitiveRare
/kɑːˈbɒksɪleɪt/A salt or ester of a carboxylic acid.
carboxylation
nounLow
/kɑːˌbɒksɪˈleɪʃən/The chemical process of introducing a carboxyl group (-COOH) into a molecule.
carboxylic acid
nounC1/C2
/ˌkɑːbɒkˈsɪlɪk ˈæsɪd/Any of a class of organic compounds containing a carboxyl group (–COOH) as the functional group.
carboxymethylcellulose
nounVery Low
/ˌkɑː.bɒk.si.ˌmeθ.əl.ˈsel.jʊ.ləʊz/A chemically modified cellulose derivative used as a thickening, stabilizing, or suspending agent in food, pharmaceuticals, and industrial products.
carboxypeptidase
nounRare/Very Low Frequency
/ˌkɑːˌbɒksɪˈpeptɪdeɪz/An enzyme that cleaves amino acids from the carboxy-terminal end of a protein or peptide.
carboy
nounLow (Technical/Historical)
/ˈkɑː.bɔɪ/A large, often cushioned or caged, glass or plastic container for holding and transporting corrosive liquids.
carbro process
nounVery low
/ˈkɑː.brəʊ ˌprəʊ.ses/A historical photographic printing technique using carbon tissue and a bromide print to produce colour prints.
carbuncle
adjectivenounC2
/ˈkɑː.bʌŋ.kəl/A red, painful cluster of boils under the skin.
carburate
verb-transitiveVery Low / Obsolete
/ˈkɑːbjəreɪt/To combine or charge (air) with a volatile fuel, such as petrol vapor, for combustion in an internal-combustion engine.
carburation
nounLow
/ˌkɑːbjʊˈreɪʃən/The process of mixing air with fuel vapour in the correct ratio for combustion in an internal combustion engine.
carburet
verbverb-transitiveVery Low / Archaic
/ˈkɑː.bjʊ.ret/To combine or mix with carbon; especially to combine a gas with carbon to produce fuel.
carburetant
nounC2
/ˌkɑː.bjʊəˈrɛ.tənt/A substance (typically a hydrocarbon fuel) that is mixed with air and then burned.
carburetion
nounLow
/ˌkɑː.bjəˈreɪ.ʃən/The process of mixing air with a fine spray of liquid fuel in the correct proportion for combustion in an internal combustion engine.

Showing 1661–1680 of 13732 words.