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allophane

[ al-uh-feyn ]

noun

  1. a clay mineral, an amorphous hydrous silicate of aluminum, occurring in blue, green, or yellow, resinous to earthy masses.


allophane

/ ˈæləˌfeɪn /

noun

  1. a variously coloured amorphous mineral consisting of hydrated aluminium silicate and occurring in cracks in some sedimentary rocks


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Word History and Origins

Origin of allophane1

1835–45; < Greek allophanḗs, equivalent to allo- allo- + phan- (stem of phaínesthai to appear) + -ēs adj. suffix

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Word History and Origins

Origin of allophane1

C19: from Greek allophanēs appearing differently, from allo- + phainesthai to appear

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allophanamideallophone