phthalein

phthalein

[thal-een, -ee-in, fthal-]
noun Chemistry.
any of a group of compounds formed by treating phthalic anhydride with phenols, from which certain important dyes are derived.

Origin:
1900–05; (na)phthale(ne) + -in2

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To phthalein
Collins
World English Dictionary
phthalein (ˈθeɪliːn, -lɪɪn, ˈθæl-, ˈfθæl-)
 
n
any of a class of organic compounds obtained by the reaction of phthalic anhydride with a phenol and used in dyes
 
[C19: from phthal-, shortened form of naphthalene +-in]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
American Heritage
Medical Dictionary

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.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
American Heritage
Science Dictionary
phthalein   (thāl'ēn', thā'lēn', fthāl'-)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;