FLUOR

fluorite, fluorspar, fluor

(noun) a soft mineral (calcium fluoride) that is fluorescent in ultraviolet light; chief source of fluorine

Source: WordNet® 3.1

fluor (countable and uncountable, plural fluors)

Fluorite (symbol: F).

• See fluorite.

• flour, four L, furol, orful, rufol

Source: Wiktionary

Flu"or, n. Etym: [L., a flowing, fr. fluere to flow. See Fluent.]

1. A fluid state. [Obs.] Sir I. Newton.

2. Menstrual flux; catamenia; menses. [Obs.]

3. (Min.)

Definition: See Fluorite.

Source: Webster’s Unabridged Dictionary 1913 Edition

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5 May 2025

(adjective) not developed, improved, exploited or used; “vast unexploited (or undeveloped) natural resources”; “taxes on undeveloped lots are low”

Coffee Trivia

In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.