phenolphthalein

名词 n.
中文释义
英 /ˌfiː.nɒlˈ(f)θa.liːn/|/ˌfiː.nɒlˈ(f)θeɪ.liːn/    美 /ˌfi.nl̩ˈθæl.i.ɪn/|/ˌfi.nl̩ˈθæˌlin/|/ˌfi.nl̩ˈθeɪˌlin/

英文释义

名词 n.
  1. A white or yellowish-white crystalline compound C₂₀H₁₄O₄ used in medicine as a laxative and in analysis as an indicator because its solution is brilliant red in alkalies and is decolorized by acids. countable,uncountable

词形变化

phenolphthaleins plural

词源

From phenol + phthalein.
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