a. and sb. [f. Gr. ἄσβεστ-ος + -OID.] A. adj. Resembling asbestos. B. sb. Min. A fibrous variety of iron-manganese amphibole, also called Byssolite.
1796. Kirwan, Min., I. 166. Common Asbestoid. Colour, olive or leek green. 167. Metalliform Asbestoid. Colour, grey.
