half-hourly
English
Etymology
half-hour + -ly
Adjective
half-hourly (not comparable)
- Once every half-hour, every 30 minutes.
- a half-hourly train service
Synonyms
- semihourly
Translations
half-hourly
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Adverb
half-hourly (not comparable)
- At intervals of a half-hour, every 30 minutes.
- Take this medicine half-hourly.
Synonyms
- semihourly
Translations
twice an hour
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