# semi-period

> English word · Noun

## Definitions
1. Half of the period of a wave etc; typically the time taken for part of a wave to be replaced by a similar part that is out of phase.

## Etymology
From semi- + period.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/semi-period