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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)

constant of integration
nounLow
/ˈkɒnstənt əv ˌɪntɪˈɡreɪʃən/An arbitrary constant added to an indefinite integral to represent the family of all antiderivatives.
constant-velocity joint
nounLow
/ˈkɒnstənt vəˈlɒsəti ˌdʒɔɪnt/A mechanical coupling, most commonly in a vehicle's drivetrain, that transmits rotational power at a constant speed from one shaft to another while allowing them to pivot, preventing vibrations.
constanta
nounC1
/ˈkɒnstənt/Happening continuously or repeatedly over a long period of time; unchanging.
constantan
nounC2
/ˈkɒnstəntæn/A copper-nickel alloy with high electrical resistivity and minimal change in resistivity with temperature change.
constantia
nounRare
/kənˈstanʃə/A type of sweet fortified wine, originally from the Constantia region of South Africa.
constantine
nounLow
/ˈkɒn.stən.taɪn/A proper noun, most commonly referring to Constantine the Great (c. 272–337 CE), the first Roman emperor to convert to Christianity and the founder of Constantinople.
constantine i
nounLow (Specialist/Historical)
/ˈkɒn.stən.taɪn ðə ˈfɜːst/A historical figure, specifically the first Roman emperor to convert to Christianity, also known as Constantine the Great.
constantine ii
nounVery Low
/ˈkɒn.stən.taɪn ðə ˈsek.ənd/A historical name borne by several monarchs, most notably a 4th-century Roman emperor and a 20th-century King of Greece.
constantine vii
nounC2
/ˈkɒnstəntaɪn ˌðə ˈsevənθ/A Byzantine emperor of the Macedonian dynasty, reigning from 913 to 959 AD.
constantine xi
nounLow
/ˌkɒn.stən.taɪn ˌelɪˈvɪnθ/The proper name of the last reigning Byzantine Emperor (1404–1453).
constantine xi palaeologus
nounC2
/ˌkɒn.stən.tiːn ˌɛl.eɪ.vn̩ ˌpæl.iˈɒl.ə.ɡəs/The last reigning Byzantine Emperor, who died defending Constantinople against the Ottoman Empire in 1453.
constantinople
nounC1
/ˌkɒnstæntɪˈnəʊpəl/The historical name of the city that served as the capital of the Byzantine (Eastern Roman) Empire, located on the site of modern-day Istanbul.
constantinopolitan creed
nounC2
/ˌkɒn.stæn.tɪˌnɒp.əˈlɪt.ən kriːd/A formal statement of Christian belief formulated at the First Council of Constantinople in 381 AD.
constatation
nounVery Low (C2 level, highly specialized)
/ˌkɒnstəˈteɪʃ(ə)n/An established or verified fact; an observation of something that is true or evident.
constative
adjectivenounRare/Very Low
/kənˈsteɪtɪv/A statement that describes, reports, or declares a state of affairs (as opposed to performing an action).
constellate
verbverb-ambitransitiveC2 (Very Low Frequency)
/ˈkɒnstəleɪt/To form or be arranged into a cluster or group; to gather in a specific, often star-like, configuration.
constellation
nounB2
/ˌkɒn.stəˈleɪ.ʃən/A group of stars forming a recognizable pattern that is traditionally named after its apparent form or a mythological figure.
conster
verb-ambitransitiveObsolete / Extremely Rare
/ˈkɒnstə/An archaic and rare verb meaning to interpret, explain, or construe, especially a text or statement.
consternate
verbverb-transitiveLow (Literary/Formal)
/ˈkɒn.stə.neɪt/To cause someone to feel overwhelming dismay, alarm, or confusion.
consternation
nounC1
/ˌkɒn.stəˈneɪ.ʃən/A state of great anxiety, shock, or dismay that temporarily paralyses or confuses.

Showing 9581–9600 of 13732 words.