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aloin

[al-oh-in] /ˈæl oʊ ɪn/
noun, Pharmacology
1.
an intensely bitter, crystalline, water-soluble powder composed of the active principles of and obtained from aloe, used chiefly as a purgative.
Origin
1835-1845
1835-45; aloe + -ine2
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for aloin

aloin

/ˈæləʊɪn/
noun
1.
a bitter crystalline compound derived from various species of aloe: used as a laxative and flavouring agent
Word Origin
C19: from aloe + -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
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aloin in Medicine

aloin al·o·in (āl'ō-ĭn)
n.
A bitter, yellow crystalline compound obtained from aloe and used 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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