1 of 2

noun (1)

plural -s
: a variety of willemite occurring in large reddish crystals in which the zinc is partly replaced by manganese


2 of 2

noun (2)

plural -s
: slightly tempered martensite that etches dark and cannot be resolved by the optical microscope

Word History


Noun (1)

Gerard Troost †1850 American geologist + English -ite

Noun (2)

French, from Louis J. Troost †1911 French chemist + French -ite

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Dictionary Entries Near troostite

Cite this Entry

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

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