| 释义 |
talc
\ˈtalk, ˈtau̇k\ noun
(-s)
Etymology: Middle French talc of Medieval Latin talcum, from Arabic ṭalq
1. : mica of muscovite; also : a thin sheet of such mineral
2.
a. : a mineral Mg3Si4O10(OH)2 consisting of a basic magnesium tetrasilicate that is usually whitish, greenish, or grayish with a soapy feel and occurs in foliated, granular, or fibrous masses (hardness 1, specific gravity 2.6-2.9) — compare steatite
b. : talcum powder |