phenolphthaleinnoun [ U ]
/ˌfiː.nɒlˈfθæl.iːn//ˌfiː.noʊlˈθæl.iːn/specializeda substance that is colourless when it is mixed with an acid and pink or red when mixed with an alkali
Thesaurus: synonyms and related words
Chemicals, chemical compounds & gases
- acrolein
- adenine
- aldehyde
- alkaline earth metal
- alkane
- ammonia
- ammonium
- butane
- calcium sulphate
- carbon monoxide
- iodide
- limewater
- lye
- nitrate
- octane
- paraben
- potassium permanganate
- sodium chloride
- starch
- sulphur dioxide
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