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Webster 1913 Edition

Noun.

[Gr.

νεκρόσ

a dead body.]

(Min.)

Fetid feldspar, a mineral which, when struck, exhales a fetid odor.

Noun.

[Gr., dead] Fetid feldspar, a mineral which when struck or pounded, exhales a fetid odor like that of putrid flesh.

necronite ‎(uncountable)

(mineralogy) fetid feldspar, a mineral that gives off an unpleasant odour when struck.