Pyrophyllite Definition
pīrō-fĭlīt, pī-rŏfə-līt
noun
A very soft, greasy, monoclinic mineral, AlSi2O5(OH), that is similar to talc in structure, used as a lubricant and in making rubber, soap, etc.; hydrous aluminum silicate.
Webster's New World
Other Word Forms of Pyrophyllite
Noun
Singular:
pyrophyllite
Plural:
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