marcasite
[ mahr-kuh-sahyt ]
/ ˈmɑr kəˌsaɪt /
noun
Also called white iron pyrites.
a common mineral, iron disulfide, FeS2, chemically similar to pyrite but crystallizing in the orthorhombic system.
any of the crystallized forms of iron pyrites, much used in the 18th century for ornaments.
a specimen or ornament of this substance.
Origin of marcasite
1375–1425; late Middle English < Medieval Latin
marcasīta < Arabic
marqashīṭā < Aramaic
marqəshītā
OTHER WORDS FROM marcasite
mar·ca·sit·i·cal [mahr-kuh-sit-i-kuh l] /ˌmɑr kəˈsɪt ɪ kəl/, adjectiveWords nearby marcasite
marc,
marc antony,
marcacci's muscle,
marcan,
marcantonio,
marcasite,
marcato,
marceau,
marcel,
marcella,
marcellinus
Example sentences from the Web for marcasite
British Dictionary definitions for marcasite
marcasite
/ (ˈmɑːkəˌsaɪt) /
noun
a metallic pale yellow mineral consisting of iron sulphide in orthorhombic crystalline form used in jewellery. Formula: FeS 2
a cut and polished form of steel or any white metal used for making jewellery
Derived forms of marcasite
marcasitical (ˌmɑːkəˈsɪtɪkəl), adjectiveWord Origin for marcasite
C15: from Medieval Latin
marcasīta, from Arabic
marqashītā, perhaps from Persian
Scientific definitions for marcasite
marcasite
[ mär′kə-sīt′, -zīt′ ]
A light yellow to gray, metallic, orthorhombic mineral. Marcasite is a polymorph of pyrite and looks similar to it but has a lower specific gravity, is paler in color, and often has a radiating fibrous structure. Chemical formula: FeS2.