phthalein

[ thal-een, -ee-in, fthal- ]

/ ˈθæl in, -i ɪn, ˈfθæl- /

noun Chemistry.

any of a group of compounds formed by treating phthalic anhydride with phenols, from which certain important dyes are derived.

Origin of phthalein

First recorded in 1900–05; (na)phthale(ne) + -in²

Words nearby phthalein

Phryne, phrynoderma, PHS, PHSE, phthalate, phthalein, phthalic, phthalic acid, phthalic anhydride, phthalin, phthalocyanine

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for phthalein

The phthalein on the day following the second venesection was 45 per cent in two hours.
Arteriosclerosis and Hypertension:|Louis Marshall Warfield
The phthalein excretion is quite normal and the excretions of salt and nitrogen are also normal.
Arteriosclerosis and Hypertension:|Louis Marshall Warfield

British Dictionary definitions for phthalein

phthalein

/ (ˈθeɪliːn, -lɪɪn, ˈθæl-, ˈfθæl-) /

noun

any of a class of organic compounds obtained by the reaction of phthalic anhydride with a phenol and used in dyes

Word Origin for phthalein

C19: from phthal-, shortened form of naphthalene + -in

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for phthalein

phthalein

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.

Scientific definitions for phthalein

phthalein

[ thăl′ēn′, thā′lēn′, fthăl′- ]

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.

单词	phthalein
释义	phthalein [ thal-een, -ee-in, fthal- ] / ˈθæl in, -i ɪn, ˈfθæl- / noun Chemistry. any of a group of compounds formed by treating phthalic anhydride with phenols, from which certain important dyes are derived. Origin of phthalein First recorded in 1900–05; (na)phthale(ne) + -in² Words nearby phthalein Phryne, phrynoderma, PHS, PHSE, phthalate, phthalein, phthalic, phthalic acid, phthalic anhydride, phthalin, phthalocyanine Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for phthalein The phthalein on the day following the second venesection was 45 per cent in two hours. Arteriosclerosis and Hypertension:\|Louis Marshall Warfield The phthalein excretion is quite normal and the excretions of salt and nitrogen are also normal. Arteriosclerosis and Hypertension:\|Louis Marshall Warfield British Dictionary definitions for phthalein phthalein / (ˈθeɪliːn, -lɪɪn, ˈθæl-, ˈfθæl-) / noun any of a class of organic compounds obtained by the reaction of phthalic anhydride with a phenol and used in dyes Word Origin for phthalein C19: from phthal-, shortened form of naphthalene + -in Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for phthalein phthalein 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. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for phthalein phthalein [ thăl′ēn′, thā′lēn′, fthăl′- ] 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. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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