acid-proof
|ac-id-proof|
B2
/ˈæsɪd pruːf/
resistant to acid
Etymology
Etymology Information
'acid-proof' originates from the combination of 'acid' and 'proof', where 'acid' refers to a chemical substance with a pH less than 7, and 'proof' means resistant or impervious to.
Historical Evolution
'acid' comes from the Latin word 'acidus', meaning sour, and 'proof' comes from the Old English 'prūf', meaning test or trial.
Meaning Changes
Initially, 'proof' meant to test or try, but over time it evolved to mean resistant or impervious to something.
Meanings by Part of Speech
Adjective 1
resistant to damage or corrosion caused by acid.
The laboratory equipment is made of acid-proof materials.
Synonyms
Antonyms
Last updated: 2025/05/04 10:55