English Dictionary

MAGNETITE

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IPA (US): 

 Dictionary entry overview: What does magnetite mean? 

MAGNETITE (noun)
  The noun MAGNETITE has 1 sense:

1. an oxide of iron that is strongly attracted by magnetsplay

  Familiarity information: MAGNETITE used as a noun is very rare.


 Dictionary entry details 


MAGNETITE (noun)


Sense 1

Meaning:

An oxide of iron that is strongly attracted by magnets

Classified under:

Nouns denoting substances

Synonyms:

magnetic iron-ore; magnetite

Hypernyms ("magnetite" is a kind of...):

iron ore (an ore from which iron can be extracted)

Holonyms ("magnetite" is a substance of...):

emery (a hard grey-black mineral consisting of corundum and either hematite or magnetite; used as an abrasive (especially as a coating on paper))

loadstone; lodestone (a permanent magnet consisting of magnetite that possess polarity and has the power to attract as well as to be attracted magnetically)


 Context examples 


An injectable, aqueous colloid solution containing a non-stoichiometric magnetite core of superparamagnetic iron oxide (SPIO) coated with dextran administered as a magnetic resonance imaging (MRI) contrast media.

(Ferumoxides Injectable Solution, NCI Thesaurus)

Separately, two of the spacecraft’s instruments, the MapCam color imager and the OSIRIS-REx Thermal Emission Spectrometer (OTES), have made detections of magnetite on Bennu’s surface, which bolsters earlier findings indicating the interaction of rock with liquid water on Bennu’s parent body.

(NASA Mission Reveals Asteroid Has Big Surprises, NASA)



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