# phosphodiester

> English word · Noun

## Definitions
1. any of many biologically active compounds in which two alcohols form ester bonds with phosphate
2. any phospholipid, such as lecithin, that has two ester groups

## Etymology
From phospho- + diester.

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