a. and sb. [See -OID.]

1

  A.  adj. Resembling or having the form of talc.

2

1891.  in Cent. Dict.

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  B.  sb. [a. Ger. talkoid (Naumann, 1859).] A variety of talc: see quot.

4

1868.  Dana, Min., 454. Talcoid … is a snow-white, broadly foliated talc of Pressnitz.

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