plural -s
: a mineral NiAs of a pale copper red color and metallic luster usually occurring massive and composed essentially of a nickel arsenide (hardness 5–5.5, specific gravity 7.33–7.67)

Word History


New Latin niccolum nickel (probably from Swedish nickel) + English -ite

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Dictionary Entries Near niccolite

Cite this Entry

“Niccolite.” Dictionary, Merriam-Webster, Accessed 20 Apr. 2024.

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