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resorcinolphthalein

 - 4 dictionary results

res⋅or⋅cin⋅ol⋅phthal⋅e⋅in

  [ri-zawr-suh-nawl-thal-een, -ee-in, -fthal-, -nol-, rez-awr-]
Use resorcinolphthalein in a Sentence
–noun Chemistry.
fluorescein.
Origin:
resorcinol + phthalein

fluo⋅res⋅ce⋅in

  [floo-res-ee-in, flaw-, floh-]
–noun Chemistry.
an orange-red, crystalline, water-insoluble solid, C20H12O5, that in alkaline solutions produces an orange color and an intense green fluorescence: used to trace subterranean waters and in dyes.
Also, flu⋅o⋅res⋅ce⋅ine.
Also called resorcinolphthalein.

Origin:
1875–80; fluoresce + -in 2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Medical Dictionary

Main Entry: flu·o·res·ce·in
Pronunciation: -'es-E-&n
Function: noun
: a yellow or red crystalline dyeC20H12O5 with a bright yellow-green fluorescence in alkaline solution that is used as the sodium salt as an aid in diagnosis (as of lesions and foreign bodies in thecornea or of brain tumors)
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

fluorescein fluo·res·ce·in (fl&oobreve;-rěs'ē-ĭn, flô-)
n.
An orange-red compound that exhibits intense fluorescence in alkaline solution and is used in ophthalmology to reveal corneal lesions.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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