# perissad

> English word · Adjective

## Definitions
1. odd; not even; said of elementary substances and of radicals whose valence is not divisible by two without a remainder.

## Etymology
From Ancient Greek περισσός (perissós, “odd”) + -ad.

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