OSMIRIDIUM

Pronunciation (US):

(GB):

 I. (noun) 

Sense 1

Meaning:

A hard and corrosion resistant mineral that is a natural alloy of osmium and iridium (usually containing small amounts of rhodium and platinum); used in needles and pen nibs etc.

Synonyms:

iridosmine; osmiridium

Classified under:

Nouns denoting substances

Hypernyms ("osmiridium" is a kind of...):

mineral (solid homogeneous inorganic substances occurring in nature having a definite chemical composition)

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