hour meaning
EN
[ˈaʊə(ɹ)] [ˈaʊɚ] [-aʊə(ɹ)] 
UK US WHour
- The hour (common symbol: h or hr) is a unit of measurement of time. In modern usage, an hour comprises 60 minutes, or 3,600 seconds. It is approximately 1/24 of a mean solar day.
- An hour in the Universal Coordinated Time (UTC) time standard can include a negative or positive leap second, and may therefore have a duration of 3,599 or 3,601 seconds for adjustment purposes.
- Although it is not a standard defined by the International System of Units, the hour is a unit accepted for use with SI, represented by the symbol h.
- NounPLhours
- A time period of sixty minutes; one twenty-fourth of a day.
- I spent an hour at lunch.
- A season, moment, time or stound.
- (poetic) The time.
- The hour grows late and I must go home.
- (military, in the plural) Used after a two-digit hour and a two-digit minute to indicate time.
- A distance that takes an hour to get there by car.
- This place is an hour away from where I live.
- A time period of sixty minutes; one twenty-fourth of a day.
- More Examples
- Used in the Middle of Sentence
- The patient, thus, was reintubated and after 12 hours she met the extubation parameters and so she was extubated successfully.
- the making of the film; the forging of the sword took several hours of planning, preparation, and metalwork
- After I spent a couple of hours picking his brain, his scheme started to make sense.
- Used in the Ending of Sentence
- Sit him in front of the TV and he might watch for hours.
- And then there's the jack-off fuckboy self-destruction derby theory that with somebody like Darby it was just a matter of time until the zero hour.
- If we clock out now we can be at the bar by happy hour.
- Used in the Middle of Sentence
Definition of hour in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Nouns
Source: Wiktionary
Grammatically, this word "hour" is a noun, more specifically, a countable noun.