Definition of talc
The word "talc" uses 4 letters: aclt.
n. - A soft mineral of a soapy feel and a greenish, whitish, or grayish color, usually occurring in foliated masses. It is hydrous silicate of magnesia. Steatite, or soapstone, is a compact granular variety. 2
Words formed by adding one letter before or after talc (in bold), or to aclt in any order: