AMIANTH'OID, noun [Amianth and Gr. form.] A mineral which occurs in tufts, composed of long capillary filaments, flexible and very elastic; more flexible than the fibers of asbestus, but stiffer and more elastic than those of amianth. The color is olive green, or greenish white. AMIANTH'OID, adjective Resembling amianth in form.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI