Phthalein
[thal-een, -ee-in, fthal-] /ˈθæl in, -i ɪn, ˈfθæl-/
noun, Chemistry.
1.
any of a group of compounds formed by treating phthalic anhydride with phenols, from which certain important dyes are derived.
/ˈθeɪliːn; -lɪɪn; ˈθæl-; ˈfθæl-/
noun
1.
any of a class of organic compounds obtained by the reaction of phthalic anhydride with a phenol and used in dyes
phthalein phthal·ein or phthal·eine (thāl’ēn’, thāl’ē-ĭn, thā’lēn’, thā’lē-ĭn)
n.
Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol, from which certain synthetic dyes are derived.
phthalein
(thāl’ēn’, thā’lēn’, fthāl’-)
Any of a group of chemical compounds formed by a reaction of phthalic anhydride with a phenol. They are used to derive certain synthetic dyes.
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