lachrymator

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lachrymator

also

lacrimator

(lăk′rə-mā′tər)
n.
A substance, such as tear gas, that causes tears to flow.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

lacrimator

, lachrymator (lak′rĭ-māt″ŏr)
A substance that increases the flow of tears.
lacrimatorylachrymatory (-mă-tōr″ē), adjective
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