name, noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of a class of tricyclic heterocyclic compounds derived from riboflavin; found especially as the adenine dinucleotide (FAD)
2. 2
   a ketone that forms the nucleus of certain natural yellow pigments like riboflavin wordnet

Proper Noun

1. 1
   A surname from Irish.

Etymology

Etymology 1

Anglicized from Irish Ó Flaithimhín.

Etymology 2

From flavus + -in.

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