acid test

ac·id test
A a


    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [as-id test]
    • /ˈæs ɪd tɛst/
    • /ˈæsɪd test/
    • US Pronunciation
    • US IPA
    • [as-id test]
    • /ˈæs ɪd tɛst/

Definitions of acid test words

  • singular noun acid test The acid test of something is an important aspect or result that it might have, which allows you to decide whether it is true or successful. 3
  • noun acid test a rigorous and conclusive test to establish worth or value 3
  • noun acid test a crucial, final test that proves the value or quality of something 3
  • noun acid test a severe and conclusive test to establish quality, genuineness, worth, etc. 1
  • noun acid test decisive indicator 1
  • noun acid test chemistry: litmus test 1

Information block about the term

Origin of acid test

First appearance:

before 1890
One of the 20% newest English words
First recorded in 1890-95

Historical Comparancy

Parts of speech for Acid test


acid test popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 48% of English native speakers know the meaning and use word.
According to our data about 54% of words is more used. This is a rare but used term. It occurs in the pages of specialized literature and in the speech of educated people.

acid test usage trend in Literature

This diagram is provided by Google Ngram Viewer

Synonyms for acid test

noun acid test

  • analysis — Analysis is the process of considering something carefully or using statistical methods in order to understand it or explain it.
  • proof — evidence sufficient to establish a thing as true, or to produce belief in its truth.
  • proving ground — any place, context, or area for testing something, as a piece of scientific equipment, a theory, etc.
  • substantiation — to establish by proof or competent evidence: to substantiate a charge.
  • trial — German Der Prozess. a novel (1925) by Franz Kafka.

See also

Matching words

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