The Simple English Wikipedia has an article on: Centimetre Other spellings (US) centimeter (abbreviation) cm Pronunciation (UK) IPA (key): /ˈsɛn.tɪ.miː.tə/ Noun Singular centimetre Plural centimetres (countable) A hundredth of a metre; 100 centimetres is one metre This pencil is 18 centimetres long. Wikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads