Definition of magnetite in English:

magnetite

Syllabification: mag·net·ite
Pronunciation: /ˈmagnəˌtīt
 
/

noun

A gray-black magnetic mineral that consists of an oxide of iron and is an important form of iron ore.
More example sentences
  • The majority of the rhyolites are porphyritic and contain phenocrysts of one or more of the following: plagioclase, clinopyroxene, magnetite, quartz and sanidine, plus accessory apatite and zircon.
  • The sample is composed of K-feldspar, plagioclase and quartz with accessory apatite, magnetite, titanite, zircon and secondary epidote.
  • Along the contact zone the limestones were recrystallized into a cloudy white, massive calcite containing grossular, epidote, magnetite, quartz, and tremolite.

Origin

mid 19th century: from magnet + -ite1.

More definitions of magnetite

Definition of magnetite in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day semblance
Pronunciation: ˈsɛmbləns
noun
the outward appearance or apparent form of something…