Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A nonmagnetic variety of the mineral pyrrhotite, FeS, present in almost all meteorites and having almost no ferrous iron deficiency.
from The Century Dictionary.
- noun A native iron sulphid often occurring in meteorites, and especially meteoric irons, as embedded nodules or generally disseminated.
from the GNU version of the Collaborative International Dictionary of English.
- noun (Min.) Native iron protosulphide, FeS. It is known only in meteoric irons, and is usually in imbedded nodular masses of a bronze color.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun mineralogy A non-magnetic variety of the
ferrous sulfide mineralpyrrhotite that occurs in mostmeteorites
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
Support
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Examples
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It is home to glasses, pyroxenes, feldspars, oxides, olivines, troilite and metals in its lunar soil, which is called regolith.
Weekend SkyWatcher's Forecast: March 19-21, 2010 | Universe Today 2010
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The best age for the Earth 4.54 Ga is based on old, presumed single-stage leads coupled with the Pb ratios in troilite from iron meteorites, specifically the Canyon Diablo meteorite.
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