Why is it das Fluor?

Fluor ends in -or. Most nouns with this ending are masculine (93% take der), but Fluor is an exception: das Fluor.

The other -or exceptions
Sense 1
das

Meaning

[1] Chemistry: The most electronegative element

[1] Chemie: das elektronegativste Element

[2] Chemistry: Yellowish-green gas with stinging smell

[2] Chemie: gelblich-grünes Gas mit stechendem Geruch

Examples

[1] Fluor has nine electron

[1] Fluor besitzt neun Elektronen.

[1] Fluorine is the only element that reacts directly with the noble gases Krypton, Xenon and Radon "

[1] „Fluor ist das einzige Element, das mit den Edelgasen Krypton, Xenon und Radon direkt reagiert.“
More source examples (1)

These dictionary examples can include historical and less common uses.

[2] Here it smells of Fluorien

[2] Hier riecht es nach Fluor.

Declension

1 Singular Plural
Nominativ das Fluor —
Genitiv des Fluors —
Dativ dem Fluor —
Akkusativ das Fluor —
Sense 2
der

Meaning

[1] Medicine: White, non -inflammatory discharge from the vagina and the uterus

[1] Medizin: weißer, nicht entzündlicher Ausfluss aus der Scheide und der Gebärmutter

Examples

[1] She has Fluorien

[1] Sie hat Fluor.

Declension

1 Singular Plural
Nominativ der Fluor —
Genitiv des Fluors —
Dativ dem Fluor —
Akkusativ den Fluor —

Pronunciation

Dictionary entries include material from Wiktionary. Wiktionary