half-hourly

Variant of half-hour

half-hour definition

half·-hour (haf′o̵ur′)

noun

  1. 30 minutes
  2. the point 30 minutes after any given hour

adjective

  1. lasting for 30 minutes
  2. occurring every 30 minutes

Related Forms:

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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