Hour meaning

our
Frequency:
One of the 24 equal parts of a day.
noun
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A unit of measure of longitude or right ascension, equal to 15° or124 of a great circle.
noun
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A point or period of time.
  • A fixed point or period of time for a particular activity, occasion, etc.
    The dinner hour.
  • An indefinite period of time of a specified kind.
    His finest hour.
  • A period fixed for work, receiving patients, etc.
    Office hours from 2 to 5.
  • The usual times for getting up or going to bed.
    To keep late hours.
noun
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A measure of the distance usually covered in an hour.

Two hours from New York to Philadelphia by rail.

noun
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(astron.) A sidereal hour; angular unit equaling 15° measured along the celestial equator.
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(eccles.) A canonical hour or the prayers said at that time.
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(educ.) A class session of approximately one hour: typically used in determining a unit of academic credit.
noun
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A unit of time equal to one of the 24 equal parts of a day; 60 minutes. &diamf3; A sidereal hour is1 /24 of a sidereal day, and a mean solar hour is1 /24 of a mean solar day.
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A unit of measure of longitude or right ascension, equal to 15° or1 /24 of a great circle.
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A time period of sixty minutes; one twenty-fourth of a day.

I spent an hour at lunch.

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noun
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(poetic) The time.

The hour grows late and I must go home.

noun
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(military, in the plural) Used after a two-digit hour and a two-digit minute to indicate time.
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Singular: h., hr.
abbreviation
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Plural: h., hrs.
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The definition of an hour is sixty minutes, or a period of time.

An example of an hour is the time that passes between 4 and 5 o'clock.

An example of an hour is the dinner hour.

noun
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(ecclesiastical) The canonical hours.
noun
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long hours
  • A longer than usual or customary period of time for a given activity:
    Worked long hours to finish the project on time.
idiom
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after hours
  • after the regular hours for business, school, etc.
idiom
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bottom (or top) of the hour
idiom
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hour after hour
  • every hour or for many successive hours
idiom
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hour by hour
  • each hour
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of the hour
  • most prominent at this time
idiom
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one's hour
  • the time of one's death
idiom
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on the hour
  • at the beginning of any or each of the twenty-four divisions of the day; at noon, 1:00, 2:00, etc.
    News is broadcast every hour on the hour.
idiom
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Idioms and Phrasal Verbs

long hours
bottom (<i>or</i> top) of the hour
hour after hour
hour by hour
of the hour

Origin of hour

  • Middle English from Old French houre from Latin hōra from Greek hōrā season, time yēr- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Middle English houre, oure, from Anglo-Norman houre, from Old French houre, (h)ore, from Latin hōra (“hour”), from Ancient Greek ὥρα (hōrā, “any time or period, whether of the year, month, or day”), from Proto-Indo-European *yer-, *yor- (“year, season”). Akin to Old English ġēar (“year”). Displaced native Middle English stunde, stound (“hour, moment, stound”) (from Old English stund (“hour, time, moment”)), Middle English ȝetid, tid (“hour, time”) (from Old English *ġetīd, compare Old Saxon getīd (“hour, time”).

    From Wiktionary