[ˈsɪdərʌɪt], (Noun)

Definitions:
- a brown mineral consisting of ferrous carbonate, occurring as the main component of some kinds of ironstone or as rhombohedral crystals in mineral veins

- a meteorite consisting mainly of nickel and iron


Phrases:

Origin:
late 16th century (denoting lodestone): from Greek sidēros ‘iron’ + -ite