| 释义 | half-hour
 half-hour(hăf′our′, häf′-)n.1.  A period of 30 minutes.2.  The middle point of an hour: The clock chimes on the half-hour.half′-hour′ly adv. & adj.
 half-hourn  1.  (Units) a. a period of 30 minutesb. (as modifier): a half-hour stint on the treadmill.   2.   a. the point of time 30 minutes after the beginning of an hour  b. (as modifier): a half-hour chime.     ˌhalf-ˈhourly adv, adjhalf′-hour′
 n.    1.  a period of 30 minutes.    2.  the midpoint of an hour, as 12:30.  adj.    3.  of, pertaining to, or consisting of a half-hour.  [1375–1425]  half′-hour′ly adj.,  adv.   Thesaurus
 Translations| Noun | 1. |  half-hour - a half of an hour 30 minutestime unit, unit of time - a unit for measuring time periods60 minutes, hour, hr - a period of time equal to 1/24th of a day; "the job will take more than an hour" | 
 half-hour
 half-houra. a period of 30 minutes b. (as modifier): a half-hour stinthalf-hour
 Synonyms for half-hournoun a half of an hourSynonymsRelated Wordstime unitunit of time60 minuteshourhr
 |