hrnoun [ C ]
plural hrswritten abbreviation for hour :
He ran the marathon in 2 hrs 48 mins.
formal The plane departs at 15.00 hrs.
Thesaurus: synonyms and related words
Specific periods of time
- around-the-clock
- British Summer Time
- BST
- calendar month
- daylight saving time
- depth
- generation
- hundred
- Jurassic
- lunar month
- microsecond
- midpoint
- Midsummer's Day
- Q, q
- quarter
- Quaternary
- response time
- s
- sec
- trimester
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