paraldehyde

noun
par·​al·​de·​hyde | \pa-ˈral-də-ˌhīd, pə-\

Definition of paraldehyde 

: a colorless liquid polymer C6H12O3 derived from acetaldehyde and used especially as an anticonvulsant, sedative, and hypnotic

First Known Use of paraldehyde

1857, in the meaning defined above

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The first known use of paraldehyde was in 1857

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paraldehyde

noun
par·​al·​de·​hyde | \pa-ˈral-də-ˌhīd, pə- \

Medical Definition of paraldehyde 

: a colorless liquid polymer C6H12O3 derived from acetaldehyde and used especially as an anticonvulsant, hypnotic, and sedative

called also paracetaldehyde

More from Merriam-Webster on paraldehyde

Britannica.com: Encyclopedia article about paraldehyde

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