half hour
1 ENTRIES FOUND:
half hour
noun
half hour
noun
Britannica Dictionary definition of HALF HOUR
[singular]
1
:
30 minutes
:
a period of time that lasts for 30 minutes
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Trains depart every half hour.
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I waited a half hour in line.
2
:
the middle point of an hour
-
Tours start on the half hour. [=at 12:30, 1:30, 2:30, etc.]
