twenty-four hours — noun time for Earth to make a complete rotation on its axis (Freq. 3) two days later they left they put on two performances every day there are 30,000 passengers per day • Syn: ↑day, ↑twenty four hour period, ↑24 hour interval, ↑ … Useful english dictionary
hour — [ aur ] noun *** ▸ 1 60 minutes of time ▸ 2 a long time ▸ 3 time in which you do something ▸ 4 particular time of day ▸ 5 point in history/life ▸ 6 exact time ▸ + PHRASES 1. ) count a period of time that consists of 60 minutes. 30 minutes is… … Usage of the words and phrases in modern English
hour — [[t]a͟ʊ ə(r)[/t]] ♦ hours 1) N COUNT An hour is a period of sixty minutes. They waited for about two hours... I only slept about half an hour that night. ...a twenty four hour strike... London was an hour away and by the time I arrived the… … English dictionary
hour */*/*/ — UK [ˈaʊə(r)] / US [aʊr] noun Word forms hour : singular hour plural hours 1) a) [countable] a period of time that consists of 60 minutes. 30 minutes is usually called half an hour, 15 minutes can be called a quarter of an hour, and 45 minutes can … English dictionary
hour — [our] n. [ME < OFr hore < L hora < Gr hōra, hour, time, period, season < IE base * yē , year, summer (< * ei , to go) > YEAR] 1. a) a division of time, one of the twenty four parts of a day; sixty minutes b) one of the twelve… … English World dictionary
24-hour interval — noun time for Earth to make a complete rotation on its axis two days later they left they put on two performances every day there are 30,000 passengers per day • Syn: ↑day, ↑twenty four hours, ↑twenty four hour period, ↑solar day, ↑ … Useful english dictionary
12-hour clock — AM/PM redirects here. For the convenience store chain, see ampm. Clock system 12 hour 24 hour midnight (start of day) 12:00* 00:00 12:59 a.m. 00:59 1:00 a.m. 01:00 2:00 a.m. 02:00 … … Wikipedia
24-hour — UK US adjective [before noun] (also twenty four hour) ► open or available all day and all night without closing or stopping: »Share trading is now a 24 hour industry. »a 24 hour emergency line/helpline/hotline »Responding to market pressure, they … Financial and business terms
Hour — The hour (symbol: h) is a unit of time. It is not an SI unit but is accepted for use with the SI.DefinitionIn modern usage, an hour is a unit of time 60 minutes, or 3,600 seconds in length. It is approximately 1/24 of a median Earth… … Wikipedia
Four-minute warning — For the song by Mark Owen, see Four Minute Warning (song). The four minute warning was a public alert system conceived by the British Government during the Cold War and operated between 1953 and 1992 when the system was dismantled after the cold… … Wikipedia