yellow rain

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Related to T-2 mycotoxin: trichothecene mycotoxin

yellow rain

n.
A powdery yellow substance that was reported in the 1970s and 1980s to drop from the air in Southeast Asia, claimed by the United States to be a fungal toxin used as a chemical weapon by the Soviet Union and later claimed by certain investigators to consist of the excrement of large swarms of bees.
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.

yellow rain

n
1. (Military) a type of yellow precipitation described in parts of SE Asia and alleged by some to be evidence of chemical warfare using mycotoxins
2. (Physical Geography) a type of yellow precipitation described in parts of SE Asia and alleged by some to be evidence of chemical warfare using mycotoxins
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

yel′low rain′


n.
powdery yellow deposits containing a fungal toxin, tricothecene, identified in SE Asia and claimed by some to be a chemical weapon and by others to be contaminated bee excrement.
[1975–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.