First Known Use: circa 1821
Dictionary
allophane
noun al·lo·phane \ˈa-lə-ˌfān\
Definition of ALLOPHANE
: an amorphous translucent mineral of various colors often occurring in incrustations or stalactite forms and consisting of a hydrous aluminum silicate
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Origin of ALLOPHANE
Greek allophanēs appearing otherwise, from all- + phainesthai to appear, middle voice of phainein to show — more at fancy
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