lachrymator

/ˈlækrɪˌmeɪtər/
noun
  1. A substance that causes tears to flow, such as tear gas.
    • The lab stored the lachrymator in a sealed container for safety.
    • Police used a lachrymator to disperse the crowd.
    • Some chemical sprays act as a lachrymator, causing eye irritation.
Synonyms
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