asbestus

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A form of asbestos — Any of several fibrous mineral forms of magnesium silicate, used for fireproofing, electrical insulation, building materials, brake linings, chemical filters, suits, fireman's gloves, etc.

OriginMiddle English asbestus ← Late Latin asbestus →
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Meanings

nounasbestus (usually uncountable, plural (rare) asbesti)

plural rare asbesti

  1. archaicuncountableusuallyArchaic spelling of asbestos.

Origin

  1. Late Latinasbestus
  2. Middle Englishasbestus
  3. Englishasbestus

From Middle English asbestus, from Late Latin asbestus.

More words from Middle English, Late Latin

Full word history & related roots →
Cite this entry
APA

asbestus. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/asbestus

MLA

“asbestus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/asbestus. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “asbestus,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/asbestus.

Source: asbestus on Wiktionary, CC BY-SA 4.0.