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noun Chemistry, Pharmacology.
a white, crystalline compound, C20H14O4, used as an indicator in acid-base titration and as a laxative.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Based on the Random House Dictionary, © Random House, Inc. 2012.
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Phenolphthalein
is always a great word to know.
So is saturated. Does it mean:
| a solution containing the maximum amount of solute capable of being dissolved under given conditions |
| pertaining to, containing, or resembling ethyl ether |
Collins
Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Medical Dictionary
phenolphthalein phe·nol·phthal·ein (fē'nōl-thāl'ēn', -thāl'ē-ĭn, -thā'lēn', -thā'lē-ĭn)
n.
A white or pale yellow crystalline powder that is used as an acid-base indicator and as a laxative.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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American Heritage
Science Dictionary
phenolphthalein  (fē'nōl-thāl'ēn') Pronunciation Key
A white or pale-yellow, crystalline powder used as an indicator for acid and basic solutions. In solutions that are either neutral or basic, it is colorless, while it is pink or red in solutions that are alkali. It is also used as a laxative and in making dyes. Chemical formula: C20H14O4. |
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia
phenolphthalein
an organic compound of the phthalein family that is widely employed as an acid-base indicator and as a laxative.
Learn more about phenolphthalein with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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