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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)

conjoin
verbverb-ambitransitiveC2
/kənˈdʒɔɪn/To join or combine two or more things together; to unite.
conjoined twin
nounC1
/kənˌdʒɔɪnd ˈtwɪn/One of a pair of identical twins who are born physically connected to each other at some point on their bodies.
conjoined twins
plural-nounLow
/kənˈdʒɔɪnd twɪnz/A rare type of identical twins who are physically connected at birth, sharing some part of the body or internal organs.
conjoint
adjectivenounC2
/kənˈdʒɔɪnt/Joined together; combined; united.
conjugal rights
plural-nounLow
/ˈkɒn.dʒə.ɡəl ˌraɪts/The legal rights and obligations, particularly regarding sexual relations, that exist between a husband and wife as a result of marriage.
conjugant
nounRare
/ˈkɒndʒəɡənt/One of a pair of organisms undergoing conjugation, a form of sexual reproduction where two cells temporarily fuse to exchange genetic material.
conjugate
adjectivenounverb+2C1
/ˈkɒndʒəɡeɪt/ (verb), /ˈkɒndʒəɡət/ (adjective)To give the different inflected forms of a verb; to list or describe the various forms a verb takes based on tense, person, number, mood, etc.
conjugate axis
nounC2
/ˈkɒn.dʒʊ.ɡət ˈæk.sɪs/In conic sections, especially for a hyperbola, the line segment perpendicular to the transverse axis, through the center, whose length is related to the hyperbola's asymptotes.
conjugate numbers
plural-nounB2-C1
/ˈkɒndʒəɡeɪt/ (verb), /ˈkɒndʒəɡət/ (adjective/noun)To give the different forms of a verb, such as 'to be': I am, you are, he is.
conjugate solution
nounC2 (Very Low Frequency, Highly Technical)
/ˈkɒn.dʒʊ.ɡət səˈluː.ʃən/A solution of two substances that form a chemical complex (often referring to the conjugate acid or base in a buffer system).
conjugated protein
nounC2
/ˈkɒn.dʒə.ɡeɪ.tɪd ˈprəʊ.tiːn/A protein that contains a non-protein component (a prosthetic group) permanently bound to its structure.
conjugation
nounC1
/ˌkɒndʒʊˈɡeɪʃn/The variation of the form of a verb to express tense, person, number, mood, or voice.
conjunct
adjectivenounC1
/ˈkɒndʒʌŋkt/A word or phrase that joins or connects things, often used as a grammatical term for a connecting word (conjunction) or a term in logic/astronomy for two celestial bodies appearing close together.
conjunction
nounB2
/kənˈdʒʌŋkʃ(ə)n/A word used to connect clauses, phrases, or words (e.g., 'and', 'but', 'if').
conjunction-reduction
nounRare
/kənˈdʒʌŋk.ʃən rɪˈdʌk.ʃən/The grammatical process of removing a repeated verb or subject from the second of two parallel clauses joined by a conjunction, creating a more economical sentence.
conjunctiva
nounC2
/ˌkɒn.dʒʌŋkˈtaɪ.və/The transparent mucous membrane that covers the front surface of the eye and lines the inside of the eyelids.
conjunctive
adjectivenounC2
/kənˈʤʌŋk.tɪv/Acting as a link; serving to connect.
conjunctive eye movement
nounvery low
/kənˈdʒʌŋktɪv aɪ ˈmuːvmənt/A type of eye movement where both eyes move together in the same direction, maintaining binocular alignment.
conjunctivitis
nounC2
/kənˌdʒʌŋk.tɪˈvaɪ.tɪs/Inflammation of the thin, transparent membrane (conjunctiva) covering the white part of the eye and the inner surface of the eyelids.
conjuncture
nounlow
/kənˈdʒʌŋktʃə/A combination of events or circumstances creating a critical situation or turning point.

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