chloropicrin

American  

[klawr-uh-pik-rin, -pahy-krin, klohr-] / ˌklɔr əˈpɪk rɪn, -ˈpaɪ krɪn, ˌkloʊr- /

noun

Chemistry, Military.

1. a colorless, somewhat oily, water-insoluble, poisonous liquid, CCl 3 NO 2 , that causes lachrymation and headache: used as an insecticide, a fungicide, in organic synthesis, and as a war gas.

---

chloropicrin British  

/ ˌklɔːrəʊˈpɪkrɪn, klɔːˈpɪkrɪn /

noun

1. a colourless insoluble toxic lachrymatory liquid used as a pesticide and a tear gas; nitrotrichloromethane. Formula: CCl 3 NO 2

---

Etymology

Origin of chloropicrin

First recorded in 1885–90; chloro- ² + picr(ic acid) + -in ²

Example Sentences

It got a permit last August to use chloropicrin and 1,3-D.

From Los Angeles Times

Almond and grape growers use chloropicrin once every 20 to 30 years when they plant a new orchard or vineyard, but California’s strawberry growers, who use it each season, may be hit hardest.

From Washington Times