Meaning

2 senses
  1. (not comparable)Half-hourly: at intervals of 30 minutes.

    Samples were collected semihourly (on the hour and half hour) throughout the study.

  2. (not comparable)Roughly (but not exactly) hourly: at intervals of around 60 minutes.

Origin

From semi- + hourly.

From semi- + hourly.

Wiktionary, CC BY-SA 4.0 · source

See also

neighbours in the dictionary
semihourly — meaning, examples, forms, synonyms | Krumeto