acid-fastness

noun

The state of being acid-fast.

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Meanings

nounacid-fastness (uncountable)
  1. uncountableThe state of being acid-fast.

Origin

From acid-fast + -ness.

Full word history & related roots →
Cite this entry
APA

acid-fastness. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/acid-fastness

MLA

“acid-fastness.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/acid-fastness. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “acid-fastness,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/acid-fastness.

Source: acid-fastness on Wiktionary, CC BY-SA 4.0.