noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The mineral fluorite. countable, dated, uncountable
2. 2
   a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine wordnet
3. 3
   A flow or flux. countable, obsolete, uncountable
4. 4
   Menstrual periods. countable, in-plural, obsolete, uncountable

Synonyms

All synonyms

fluoriteflowersfluoritefluorspar

Etymology

From Latin fluor.

Related phrases

fluor albus

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