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amianthus

[am-ee-an-thuh s]
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noun Mineralogy.
  1. a fine variety of asbestos, with delicate, flexible filaments.
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Origin of amianthus

1660–70; < Latin amiantus < Greek amíantos, equivalent to a- a-6 + mian- (stem of miaínein to defile, make impure) + -tos verbal adjective suffix
Related formsam·i·an·thine [am-ee-an-thuh n, -thahyn] /ˌæm iˈæn θən, -θaɪn/, adjectiveam·i·an·thoid, am·i·an·thoi·dal, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for amianthoid

amianthus

noun
  1. any of the fine silky varieties of asbestos
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Derived Formsamianthine, amianthoid or amianthoidal, adjective

Word Origin

C17: from Latin amiantus, from Greek amiantos unsullied, from a- 1 + miainein to pollute
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

amianthoid in Medicine

amianthoid

(ăm′ē-ănthoid′)
adj.
  1. Having a crystalline appearance like asbestos.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.