phe|nol|phthal|ein

phe|nol|phthal|ein
phe|nol|phthal|ein «FEE nohl THAL een, -FTHAL-», noun.
a white or pale-yellow powder used in testing acidity, making dyes, and as a laxative. Its solution is red when basic, colorless when acid. Formula: C20H14O4

Useful english dictionary. 2012.

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  • phenolphthalein — phe•nol•phthal•ein [[t]ˌfi nɔlˈθæl in, i ɪn, ˈfθæl , nɒl [/t]] n. chem. pha a white, crystalline compound, C20H14O4, used as an indicator in acid base titration and as a laxative • Etymology: 1870–75 …   From formal English to slang

  • Phenolphthalein — A compound used as a laboratory reagent and acid base indicator and also used in over the counter (OTC) laxative preparations. Phenolphthalein may be a carcinogen (cancer causing agent). Feeding of phenolphthalein caused cancer in multiple organs …   Medical dictionary

  • tetraiodophenolphthalein — tet·ra·iodo·phe·nol·phtha·lein .te trə ī .ō dō .fēn əl thal ē ən, thal .ēn, thāl n IODOPHTHALEIN * * * tet·ra·iodo·phe·nol·phthal·ein (tet″rə i″o do fe″nol thalґēn) a dye which after intravenous injection is excreted… …   Medical dictionary

  • tetrabromophenolphthalein — tet·ra·bro·mo·phe·nol·phthal·ein (tet″rə bro″mo fe″nol thalґēn) an indicator which is colorless with acids and violet with alkalis …   Medical dictionary

  • phenolsulfonephthalein — phe•nol•sul•fone•phthal•ein [[t]ˌfi nɔlˌsʌl foʊnˈθæl in, i ɪn, ˈfθæl , nɒl [/t]] n. chem. pha a bright to dark red crystalline compound, C19H14O5slightly soluble in water, alcohol, and acetone: used as an acid base indicator and as a diagnostic… …   From formal English to slang

  • o — abi·o·log·i·cal; ab·o·li·tion; ab·o·li·tion·ary; ab·o·li·tion·dom; ab·o·li·tion·ism; ab·o·li·tion·ist; ab·o·li·tion·ize; ab·o·ma·sal; ab·o·ma·sum; ac·an·thol·o·gy; ac·an·thop·o·dous; acar·i·dol·o·gist; ac·a·ri·nol·o·gy; acar·i·o·sis;… …   English syllables

  • phenolsulfonphthalein — Occurs as a bright to dark red crystalline powder; used as an indicator in tissue culture media (yellow at pH 6.8, red at pH 8.4); in the past given by parenteral injection as a test for renal function. S …   Medical dictionary

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