1. 1〔数字の0〕zero; nothing;《英》 nought
    • 視界ゼロ
    • zero visibility
    • 内線番号105
    • extension one-oh-five
    • 5対ゼロで勝った
    • We defeated our opponents five to nothing.
  1. 2〔最初〕
    • ゼロから出直しだ
    • We must start again 「from the very beginning [《口》 from scratch]./《口》 Back to the drawing board!
  1. 3〔何も無いこと〕
    • あの男は責任感ゼロだ
    • He has no sense of responsibility whatsoever./His sense of responsibility is nil.
    • 彼女は教師の資格ゼロだ
    • She is a complete misfit as a teacher./She has absolutely no right to be a teacher.
    • 宇宙科学の知識はゼロだ
    • I know 「nothing at all [《米俗》 zilch] about space science.
  1. ゼロエミッションzero emissions
    • あの工場はゼロエミッションを目指している
    • That factory is trying to achieve zero emissions.
    • 会社は組合に対しゼロ回答を出した
    • The management 「turned down [flatly rejected] the union's demand for a wage hike.
  1. ゼロ金利(政策)a zero interest rate (policy)
  1. ゼロゲーム〔テニスで〕a love game;〔野球で〕a scoreless game
  1. ゼロ歳(児)babies under the age of one
    • 昨年のこの国の経済はゼロ成長だった
    • The rate of economic growth in this country last year was zero.
  1. ゼロ敗a shutout loss
    • (相手を)ゼロ敗させる
    • whitewash ((the other team))
  1. ゼロメートル地帯an area lying at sea level
  1. ゼロベース予算zero-base(d) budgeting
  1. ゼロベクトルthe zero vector