# biphosphate

> English word · Noun

## Definitions
1. Any salt of phosphoric acid in which only one of the hydrogen atom has been replaced by a metal ion.
2. Synonym of diphosphate.

## Etymology
From bi- + phosphate.

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