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English Words Starting With C

13,732 entries — pick a word to see its definition, pronunciation, and usage.

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

chemistry
nounB2
/ˈkem.ɪ.stri/The scientific study of the composition, structure, properties, and reactions of matter, especially of atomic and molecular systems.
chemmy
nounLow
/ˈtʃɛmi/A colloquial British term for the card game 'chemin de fer', a variant of baccarat.
chemnitz
nounC1
/ˈkɛmnɪts/A city in eastern Germany (Saxony).
chemo
nounMedium-High in informal/medical contexts; Low in formal writing.
/ˈkiːməʊ/A colloquial, clipped form of 'chemotherapy', referring to the chemical treatment of disease, especially cancer.
chemo brain
nounMedium Frequency
/ˈkiːməʊ ˌbreɪn/A colloquial term for cognitive impairment (such as memory problems, lack of focus, or mental fogginess) experienced during or after chemotherapy treatment for cancer.
chemo-organotroph
nounC2 (Very Low Frequency, Technical)
/ˌkiːməʊ ɔːˈɡænəʊtrəʊf/An organism that obtains energy by oxidizing organic compounds.
chemoattractant
nounlow
/ˌkiːməʊəˈtræktənt/A chemical substance that attracts cells or organisms by causing them to move toward it.
chemoautroph
nounC2
/ˌkiːməʊˈɔːtəˌtrɒf/An organism, typically a bacterium or archaeon, that synthesizes its own organic compounds using chemical energy derived from inorganic molecules (e.g., hydrogen sulfide, ammonia) as its energy source, rather than light. These are primary producers in environments devoid of sunlight, such as deep-sea hydrothermal vents.
chemoheterotroph
nounC2
/ˌkiːməʊˈhɛtərəˌtrəʊf/An organism that obtains energy by breaking down organic compounds from other organisms.
chemokinesis
nounRare
/ˌkiːməʊkɪˈniːsɪs/Increased random movement of a cell or organism in response to a chemical stimulus, without directional orientation towards or away from the stimulus source.
chemolithotroph
nounC2
/ˌkiːməʊˈlaɪθəˌtrəʊf/An organism that obtains energy by oxidizing inorganic chemical compounds and uses carbon dioxide as its main carbon source.
chemonasty
nounVery Low
/ˈkiːmə(ʊ)ˌnæsti/A movement or response of a plant part, such as a leaf or petal, induced by a non-directional chemical stimulus.
chemonite
nounLow/Technical
/ˈkiːmənaɪt/A proprietary preservative treatment for timber, involving copper and arsenic compounds.
chemonucleolysis
nounVery Low
/ˌkiːməʊˌnjuːklɪˈɒlɪsɪs/A medical procedure that involves injecting a chemical agent (such as an enzyme) into a spinal disc to dissolve or shrink the herniated portion of the disc, relieving pressure on a nerve.
chemopallidectomy
nounExceedingly Rare
/ˌkiːməʊˌpælɪˈdɛktəmi/A specific neurosurgical procedure for treating Parkinson's disease and other movement disorders.
chemoprophylaxis
nounC2
/ˌkiːməʊˌprɒfɪˈlaksɪs/The use of a drug to prevent disease in a healthy person.
chemoreception
nounC2/Advanced - Highly technical/specialist
/ˌkiːməʊrɪˈsɛpʃ(ə)n/The physiological process by which an organism detects and responds to chemical stimuli in its environment.
chemoreceptor
nounC1/C2
/ˌkiːməʊrɪˈseptə/A specialized sensory cell or organ that responds to chemical stimuli.
chemoreflex
nounVery low
/ˈkiːməʊriːflɛks/An automatic reflex action triggered by chemical stimuli, especially in the context of respiratory or cardiovascular regulation.
chemosh
nounVery Low
/ˈkiːmɒʃ/The national deity or god of the ancient Moabites, an ancient Semitic people who lived east of the Dead Sea in modern-day Jordan.

Showing 4421–4440 of 13732 words.