English Words Starting With C

• cyanometer

  nounExtremely rare
  /ˌsaɪəˈnɒmɪtə/An instrument for measuring the blueness of the sky.
• cyanophyta

  nounVery Low
  /ˌsaɪ.əˈnɒf.ɪ.tə/A taxonomic division comprising the blue-green algae, a group of photosynthetic bacteria.
• cyanophyte

  nounC2 (Proficient) / Highly specialized
  /saɪˈæn.ə.faɪt/a blue-green alga; a member of the Cyanobacteria, a phylum of bacteria that obtain energy through photosynthesis.
• cyanoplatinite

  nounVery Rare
  /ˌsaɪənoʊˈplætɪnaɪt/A chemical anion, specifically a complex ion containing platinum and cyanide (Pt(CN)4^2-).
• cyanosis

  nounLow
  /ˌsaɪəˈnəʊsɪs/A medical condition where the skin, lips, or nails turn a bluish or purplish colour due to low oxygen levels in the blood.
• cyanotype

  nounLow
  /ˈsaɪ.ə.nəʊ.taɪp/A photographic printing process that produces a cyan-blue print, historically used for copying technical drawings (blueprints).
• cyanurate

  nounVery Low (C2/Technical)
  /ˌsaɪəˈnjʊəreɪt/A salt or ester of cyanuric acid.
• cyanuric acid

  nounLow
  /ˌsaɪənjʊərɪk ˈæsɪd/A chemical compound with the formula C₃H₃N₃O₃, a white crystalline organic acid.
• cyathium

  nounVery low frequency (technical/ scientific term)
  /saɪˈæθɪəm/A specialised type of inflorescence (flower cluster) in plants of the genus Euphorbia (spurges), resembling a single flower but consisting of several small, reduced flowers surrounded by a cup-like involucre of bracts.
• cyathus

  nounRare
  /ˈsaɪ.ə.θəs/A small, cup-shaped ancient Greek or Roman vessel used for drinking or ladling wine.
• cybele

  nounVery Low
  /ˈsɪbɪliː/The ancient Phrygian mother goddess, associated with fertility, nature, mountains, and wild animals.
• cyber

  adjectivecombining-formnounverb-intransitiveC1
  /ˈsʌɪbə/Relating to or involving computers, computer networks, digital information, and virtual reality, especially the internet.
• cyber monday

  nounmedium
  /ˌsaɪbə ˈmʌndeɪ/The first Monday after Thanksgiving in the US, marketed as a major online shopping day with retail discounts.
• cyber mosque

  nounLow
  /ˈsaɪ.bə ˌmɒsk/An online virtual space or digital platform dedicated to facilitating Islamic worship, community, religious education, and spiritual practices.
• cyberathlete

  nounC1/C2
  /ˌsaɪbərˈæθliːt/A person who competes professionally in video game tournaments.
• cyberattack

  nounB2
  /ˈsaɪbərəˌtæk/A deliberate attempt to damage, disrupt, or gain unauthorized access to computer systems, networks, or devices.
• cyberbully

  nounverb-ambitransitiveB2
  /ˈsaɪbəˌbʊli/To harass, threaten, or intimidate someone repeatedly using digital means, such as social media, text messages, or online forums.
• cyberbullying

  nounMedium-High
  /ˈsaɪ.bəˌbʊl.i.ɪŋ/The act of repeatedly using digital technology to harass, threaten, or embarrass another person.
• cybercafe

  nounC1
  /ˈsaɪ.bəˌkæf.eɪ/A commercial establishment that provides public access to computers and the Internet, typically while also serving food and drinks.
• cyberchondria

  nounLow
  /ˌsaɪbəˈkɒndrɪə/Excessive, unfounded anxiety about one's health, fuelled by searching for medical information online.

Showing 13441–13460 of 13732 words.