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An oxide of iron that is strongly attracted by magnets
Answer for the clue "An oxide of iron that is strongly attracted by magnets ", 9 letters:
magnetite
Word definitions for magnetite in dictionaries
Douglas Harper's Etymology Dictionary
Word definitions in Douglas Harper's Etymology Dictionary
magnetic iron ore, 1840, from German magnetit ; see magnet + -ite (2).
Wiktionary
Word definitions in Wiktionary
n. (context mineralogy English) A magnetic mineral, iron 3 oxygen 4 , one of the primary ores of iron. It has also been called lodestone.
The Collaborative International Dictionary
Word definitions in The Collaborative International Dictionary
Magnetite \Mag"net*ite\, n. (Min.) An oxide of iron ( Fe3O4 ) occurring in isometric crystals, also massive, of a black color and metallic luster. It is readily attracted by a magnet and sometimes possesses polarity, being then called loadstone . It is ...
Wikipedia
Word definitions in Wikipedia
Magnetite is a mineral and one of the three common naturally-occurring oxides of iron . Its chemical formula is FeO , and it is a member of the spinel group . Magnetite is ferrimagnetic ; it is attracted to a magnet and can be magnetized to become a permanent ...
WordNet
Word definitions in WordNet
n. an oxide of iron that is strongly attracted by magnets [syn: magnetic iron-ore ]
Usage examples of magnetite.
She focused on the one goblin, on its helmet, as she held before her a black, rough-edged stone, magnetite, or lodestone, by name.
All the while, Pony rubbed her fingers about several chosen stones: graphite and magnetite, the powerful ruby and protective serpentine and malachite.
Pony quickly focused the magnetite energy, blocked out all other metallic influences except one giant gauntlet.
As she passed the open door and Elbryan, Pony put her other hand, holding the magnetite, against the outside of the metallic door and fell into that magic as well.
Pony rubbed her fingers about several chosen stones: graphite and magnetite, the powerful ruby and protective serpentine and malachite.
Plus there were large quantities of magnetite in every soot line, no matter what the area around it contained.
The magnetite is then subject to magnetic pulses, sufficient to extract monopoles form a depth of a few centimeters.
It could not be a hunk of magnetite with a high iron content: the shape was too regular.
Likely he wore other shielding items-an emerald, perhaps, to bring a defensive shield against wood as the magnetite protected him from metal.
Her gaze focused on the lodestone, the magnetite, the stone she had used against Markwart, the damning piece of evidence that would surely seal her doom should she ever go to trial.
I discovered that the exoskeleton was an organic-inorganic matrix composed of carbon compounds and silicate minerals, primarily olivine, pyroxene, and magnetite, substances commonly found in meteorites.
Biologists routinely use the presence of magnetite as a signature of those early Earthly forms.
The discovery of magnetite in human brain cells back in the late twentieth century had bolstered their claims with the kind of pseudo-science backing such people thrived on.
Given the minuscule quantities of magnetite actually involved, it was extremely unlikely that any of them could act as a human compass.
That had to wait for genetic engineering to manipulate cells, incorporating magnetite particles into a ferro-vesicle cell model.