amiantus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

ămĭantus, i, m., = ἀμίαντος (unspotted, pure),

the amianth , a stone which may be separated into threads and spun , and is inconsumable by fire; asbestos , earth-flax , Plin. 36, 19, 31, § 139.