PYRITE

pyrite, iron pyrite, fool's gold

(noun) a common mineral (iron disulfide) that has a pale yellow color

Source: WordNet® 3.1

Etymology

Noun

pyrite (plural pyrites)

(mineral) The common mineral iron disulfide (FeS₂), of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system.

(usually as a plural: pyrites) Any metallic-looking sulphide, such as the above, which is the most common.

(solid state chemistry) (usually as a plural: pyrites) Any metal dichalcogenide that is isostructural to the common mineral.

Synonyms

• fool's gold

• iron pyrites

Hyponyms

• iron pyrite

• pyrrhotite

Anagrams

• typier

Source: Wiktionary

Pyr"ite, n.; pl. Pyrites. Etym: [Cf. F. pyrite. See Pyrites.] (Min.)

Definition: A common mineral of a pale brass-yellow color and brilliant metallic luster, crystallizing in the isometric system; iron pyrites; iron disulphide. Hence sable coal his massy couch extends, And stars of gold the sparkling pyrite blends. E. Darwin.

Source: Webster’s Unabridged Dictionary 1913 Edition