ethylene oxide

noun

Definition of ethylene oxide 

: a colorless flammable toxic compound C2H4O used especially in synthesis (as of ethylene glycol) and in sterilization and fumigation

First Known Use of ethylene oxide

1866, in the meaning defined above

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The first known use of ethylene oxide was in 1866

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ethylene oxide

noun

Medical Definition of ethylene oxide 

: a colorless flammable toxic gaseous or liquid compound C2H4O used especially in synthesis (as of ethylene glycol) and in fumigation and sterilization (as of medical instruments)

More from Merriam-Webster on ethylene oxide

Britannica.com: Encyclopedia article about ethylene oxide

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