diphosgene

noun
di·​phos·​gene | \(ˌ)dī-ˈfäz-ˌjēn \

Definition of diphosgene 

: a liquid compound C2Cl4O2 used as a poison gas in World War I

First Known Use of diphosgene

1918, in the meaning defined above

History and Etymology for diphosgene

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The first known use of diphosgene was in 1918

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diphosgene

noun
di·​phos·​gene | \(ˈ)dī-ˈfäz-ˌjēn \

Medical Definition of diphosgene 

: a liquid compound C2Cl4O2 used as a poison gas in World War I

More from Merriam-Webster on diphosgene

Britannica.com: Encyclopedia article about diphosgene

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