semihourly

See also: semi-hourly

English

Alternative forms

Etymology

semi- +‎ hourly

Adjective

semihourly (not comparable)

  1. (properly) Half-hourly: occurring every thirty minutes.
    The warship rang its semihourly bell, announcing it was now half past 10 o'clock.
  2. (inexact) Roughly (but not exactly) hourly: occurring around every sixty minutes.

Adverb

semihourly (not comparable)

  1. (properly) Half-hourly: at intervals of 30 minutes.
    Samples were collected semihourly (on the hour and half hour) throughout the study.
  2. (inexact) Roughly (but not exactly) hourly: at intervals of around 60 minutes.
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