noun ·Rare ·Advanced level

Definitions

Noun

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

Etymology

From phospho- + diester.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.