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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)

cryptocurrency
adjectivenounHigh
/ˌkrɪptəʊˈkʌrənsi/A digital or virtual form of currency that uses cryptography for security and operates independently of a central bank.
cryptogam
nounRare
/ˈkrɪptə(ʊ)ɡam/A plant that reproduces by spores and does not produce flowers or seeds.
cryptogram
nounLow
/ˈkrɪptə(ʊ)ɡram/A text written in code or cipher; a message deliberately disguised so that only those with the key can read it.
cryptograph
nounLow
/ˈkrɪp.tə.ɡrɑːf/A device or system for writing or deciphering messages in code.
cryptography
nounC1
/krɪpˈtɒɡ.rə.fi/The practice and study of techniques for secure communication in the presence of adversaries; encoding and decoding information to protect its confidentiality, integrity, and authenticity.
cryptology
nounC1
/krɪpˈtɒlədʒi/The study and practice of creating and deciphering codes and ciphers.
cryptomeria
nounLow (Specialist)
/ˌkrɪptə(ʊ)ˈmɪərɪə/An evergreen coniferous tree of the cypress family, native to East Asia, also known as Japanese cedar.
cryptometer
nounVery Low
/krɪpˈtɒmɪtə/An instrument for measuring small, hidden, or delicate quantities or distances.
cryptomnesia
nounC2
/ˌkrɪptə(ʊ)mˈniːzɪə/A psychological phenomenon where a person mistakenly believes a new thought, idea, or memory is original, when in fact it is a forgotten or subconscious recollection of something previously encountered.
cryptomonad
nounVery Low
/ˈkrɪptə(ʊ)ˌməʊnad/A type of single-celled, flagellated protist, typically found in aquatic environments, characterized by having two flagella and often containing pigments like phycobiliproteins.
cryptonym
nounC2
/ˈkrɪptənɪm/A secret or code name, especially one used by intelligence agencies, spies, or in clandestine operations to conceal the true identity of a person, place, project, or thing.
cryptophyte
nounVery low / Technical
/ˈkrɪptə(ʊ)ˌfʌɪt/A plant or plant-like organism whose survival buds or overwintering parts are hidden underground or underwater.
cryptoporticus
nounVery rare / Technical
/ˌkrɪptəʊˈpɔːtɪkəs/A semi-subterranean or partially covered arched gallery, typically found in ancient Roman architecture.
cryptorchid
adjectivenounVery Low
/krɪpˈtɔːkɪd/A condition in which one or both testicles fail to descend into the scrotum before birth.
cryptorchidism
nounVery Low
/krɪpˈtɔː.kɪ.dɪ.zəm/A medical condition where one or both testicles fail to descend into the scrotum before birth.
cryptosporidiosis
nounC2 - Very low frequency, technical/specialist vocabulary.
/ˌkrɪptəʊspəˌrɪdiˈəʊsɪs/An infectious disease causing watery diarrhea, caused by the microscopic parasite Cryptosporidium.
cryptosporidium
nounC2
/ˌkrɪptəʊspəˈrɪdɪəm/A microscopic parasite that causes diarrhoeal disease in humans and animals.
cryptosystem
nounC2
/ˈkrɪp.təʊˌsɪs.təm/A suite of cryptographic algorithms needed to implement a particular security service, including key generation, encryption, and decryption.
cryptozoic
adjectivenounExtremely Low/Very Rare
/ˌkrɪptəˈzəʊɪk/Pertaining to animals that live hidden away in dark places or concealed habitats.
cryptozoite
nounVery low
/ˌkrɪptə(ʊ)ˈzəʊʌɪt/The primary stage of a parasitic protozoan that develops in a host's tissues before entering the bloodstream.

Showing 12721–12740 of 13732 words.