tryptamine

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tryp·ta·mine

 (trĭp′tə-mēn′)
n.
1. A crystalline substance, C10H12N2, that is formed in plant and animal tissues from tryptophan and is an intermediate in various metabolic processes.
2. Any of various naturally occurring or synthetic derivatives of this compound, many of which have psychoactive properties.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

tryptamine

(ˈtrɪptəˌmiːn)
n
a substance that occurs naturally in plant and animal tissue in certain natural metabolic processes and is produced synthetically for use as drugs, one example being LSD
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

trypt•a•mine

(ˈtrɪp təˌmin)
n.
a crystalline substance, C10H12N2, that is formed from tryptophan in the tissues and involved in various metabolic processes.
[1925–30; trypt(ophan) + amine]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.