# phosphino

> English word · Noun

## Definitions
1. The chemical radical or group containing two hydrogen and one phosphorus atoms -PH₂

## Etymology
From phosphine + -o.

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