Dictionary

quarter hour

noun

: 15 minutes : a period of time that lasts for 15 minutes

Full Definition of QUARTER HOUR

1
:  fifteen minutes
2
:  any of the quarter points of an hour
3
:  a unit of academic credit representing an hour of class (as lecture class) or three hours of laboratory work each week for an academic quarter
ADVERTISEMENT

First Known Use of QUARTER HOUR

1766

Browse

Next Word in the Dictionary: quartering (noun)Previous Word in the Dictionary: quarter horseAll Words Near: quarter hour
ADVERTISEMENT
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears