Word.ws English Dictionary

litmus

Syllables: lit·mus/ˈlɪtməs/

litmus noun: a dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.

Noun

litmus (countable and uncountable, plural litmuses)

  1. (uncountable) A dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
    Synonyms:
    lacmus
  2. A simple test of acidity in a liquid using litmus, usually in the form of litmus paper.
  3. A simple test of any attribute; a litmus test.

litmus meaning in Tamil, Bengali, Kannada and Tagalog

litmus in Tamil

நீலச்சாயம், பாசிச்சாயம், பூஞ்சு, பூஞ்சுத்தாள் ஆகும்

litmus in Bengali

লিটমাস, অম্ল, ক্ষার নির্দেশক রঞ্জক পদার্থ

litmus in Kannada

ಲಿಟ್ಮಸ್

litmus in Tagalog

dyestuff from lichen
tornasol
More languagesFewer languages
litmus in Persian
تورنسل tornesol
litmus in Vietnamese
quỳ

Examples of litmus in a sentence

  • Exams, not interviews, have become the litmus test for entry to university.
  • Trump – a litmus test, they warn, that’s incompatible with an apolitical military.
  • “That’s the only litmus test we care about.”

All 10 example sentences with litmus

Synonyms of litmus

Forms of litmus

plurallitmuses

Origin of litmus

From Middle English litmose, lytmose, litemose, from Old Norse litmosi (“moss used for dyeing”), from lita (“to dye, stain”) + mosi (“moss”), the former from litr (“colour, dye, blee”), from Proto-Germanic *wlitiz, *wlituz (“appearance, blee”), from Proto-Indo-European *wel- (“to see”). Cognate with Old English wlite (“appearance, form, brightness, countenance”). More at moss.

Words formed from litmus

Phrases with litmus

Words that rhyme with litmus

Questions about litmus

What does litmus mean?
Litmus means a dyestuff extracted from certain lichens, that changes color when exposed to pH levels greater than or less than certain critical levels.
What is litmus in Tamil?
Litmus in Tamil is நீலச்சாயம், பாசிச்சாயம், பூஞ்சு. See Litmus meaning in Tamil.
What part of speech is litmus?
Litmus is a noun.
How do you pronounce litmus?
Litmus is pronounced /ˈlɪtməs/.
What is the plural of litmus?
The plural of litmus is litmuses.

Words near litmus in the dictionary

  1. Litlington
  2. litmag
  3. litmags
  4. Litman
  5. Litmans
  6. litmus
  7. litmus milk
  8. litmus milks
  9. litmus paper
  10. litmus papers
  11. litmus test

Source and license

Adapted from Wiktionary: litmus (page history and authors); litmus (Tamil Wiktionary) (page history and authors); Litmus (Bengali Wiktionary) (page history and authors); litmus (Kannada Wiktionary) (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-litmus.wav.

Cite this entry: “litmus.” Word.ws, https://word.ws/litmus. Based on Wiktionary, CC BY-SA 4.0.