headgroup

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|organic chemistry}} A bulky part of a [[molecule]], often containing one or more [[functional group]]s, attached to a relatively long [[aliphatic]] ''[[tail]]'' or ''[[backbone]]''
2. {{lb|en|maths}} The [[group]] of instances at the [[head]] (high end) of a [[distribution]] [[curve]]

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.