Word.ws English Dictionary

acid-fastness

acid-fastness noun: the state of being acid-fast.

Noun

acid-fastness (uncountable)

  1. The state of being acid-fast.

Origin of acid-fastness

From acid-fast + -ness.

Questions about acid-fastness

What does acid-fastness mean?
Acid-fastness means the state of being acid-fast.
What part of speech is acid-fastness?
Acid-fastness is a noun.

Words near acid-fastness in the dictionary

  1. acid-base indicator
  2. acid-base indicators
  3. acid-base pair
  4. acid-base pairs
  5. acid-fast
  6. acid-fastness
  7. acid-forming
  8. acid-free
  9. acid-proof
  10. acid-resistant
  11. acid-stable

Source and license

Adapted from Wiktionary: acid-fastness (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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