twenty-first — n [C usually singular] your twenty first ↑birthday or the celebration you have for it … Dictionary of contemporary English
twenty-first — twenty first·er; twenty first; … English syllables
twenty-first — noun count BRITISH someone s 21st birthday, when they often have a party to celebrate the fact that they have become a full adult … Usage of the words and phrases in modern English
twenty-first — adjective coming next after the twentieth in position (Freq. 3) • Syn: ↑21st • Similar to: ↑ordinal * * * I. | ̷ ̷ ̷ ̷| ̷ ̷ adjective 1. : being number 21 in a countable series … Useful english dictionary
twenty-first — 1. adjective The ordinal form of the number twenty one. 2. noun a) The person or thing in the twenty first position. He celebrated twenty first with his first legal drinks. b) One of twenty one equal parts of a whole, usually written … Wiktionary
twenty-first — UK / US noun [countable] Word forms twenty first : singular twenty first plural twenty firsts British someone s 21st birthday, when they often have a party to celebrate the fact that they have become a full adult … English dictionary
twenty-first — noun (countable usually singular) your twenty first birthday or the celebration you have for it … Longman dictionary of contemporary English
twenty-first — /twɛnti ˈfɜst/ (say twentee ferst) noun a celebration or party held on a person s twenty first birthday …
Twenty First Century Science — is a syllabus of GCSE Sciences, which was trialed before released into schools. Teaching of this syllabus began in September 2006. External links* [http://www.21stcenturyscience.org/ Twenty First Century Science] , The University of York … Wikipedia
Twenty-first Amendment of the Constitution of Ireland — The Twenty first Amendment of the Constitution of Ireland introduced a constitutional ban on the death penalty and removed all references to capital punishment from the text. It was effected by the Twenty first Amendment of the Constitution Act,… … Wikipedia