Definition of armalcolite in English:

armalcolite

noun ɑːˈmalkəlʌɪt

Mineralogy

A dark grey, titanium-rich mineral discovered in lunar rock samples and subsequently found (though rarely) in terrestrial rocks.

Origin

1970s. From the names of the three U.S. astronauts, Neil Armstrong, Edwin Aldrin (b. 1930), and Michael Collins (b. 1930), who brought the first rock samples from the moon in 1969 + -ite.

Definition of armalcolite in US English:

armalcolite

nounɑːˈmalkəlʌɪt

Mineralogy

A dark grey, titanium-rich mineral discovered in lunar rock samples and subsequently found (though rarely) in terrestrial rocks.

Origin

1970s. From the names of the three U.S. astronauts, Neil Armstrong, Edwin Aldrin (b. 1930), and Michael Collins (b. 1930), who brought the first rock samples from the moon in 1969 + -ite.

单词	armalcolite
释义	Definition of armalcolite in English: armalcolite noun ɑːˈmalkəlʌɪt Mineralogy A dark grey, titanium-rich mineral discovered in lunar rock samples and subsequently found (though rarely) in terrestrial rocks. Origin 1970s. From the names of the three U.S. astronauts, Neil Armstrong, Edwin Aldrin (b. 1930), and Michael Collins (b. 1930), who brought the first rock samples from the moon in 1969 + -ite. Definition of armalcolite in US English: armalcolite nounɑːˈmalkəlʌɪt Mineralogy A dark grey, titanium-rich mineral discovered in lunar rock samples and subsequently found (though rarely) in terrestrial rocks. Origin 1970s. From the names of the three U.S. astronauts, Neil Armstrong, Edwin Aldrin (b. 1930), and Michael Collins (b. 1930), who brought the first rock samples from the moon in 1969 + -ite.
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