Definify.com

Webster 1913 Edition

Nigrine

Ni′grine

,

Noun.

[L.

niger

black: cf. F.

nigrine

.]

(Min.)

A ferruginous variety of rutile.

Webster 1828 Edition

Nigrine

NIG'RINE

,

Noun.

An ore of titanium, found in black grains or rolled pieces.

Definition 2024

nigrine

nigrine

English

Noun

nigrine

(mineralogy) A ferruginous variety of rutile.