Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
1,724,371,131 visitors served.
forum mailing list For webmasters
?
New: Language forums
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

phenolphthalein
(redirected from Phenolpthalein)

    Also found in: Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
phenolphthalein /phe·nol·phthal·ein/ (fe″nol-thal´ēn) a cathartic and pH indicator, with a range of 8.5 to 9.0.
phe·nol·phthal·ein (fnl-thln, -thl-n, -thln, -thl-n)
n.
A white or pale yellow crystalline powder that is used as an acid-base indicator and a laxative.
phenolphthalein
[fē′nolthal′ē·in, -thā′lēn]
1 a cathartic and pH indicator with a range of 8.5 (colorless) to 9.0 (red).
2 an indicator of hydrogen ion in urine and gastric juice.
phenolphthalein
1. an acid-base indicator dye; it is colorless below pH 8.5, but turns red above pH 9.0.
2. in monogastric animals, a cathartic administered orally, usually with a bulk laxative such as agar. When ingested by ruminants causes the urine to change color to red on exposure to air.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in
 
Medical browser? ? Full browser
 
 
Medical Dictionary
?

Disclaimer | Privacy policy | Feedback | Copyright © 2009 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. Terms of Use.