urethane

1. A colorless or white crystalline compound, CO(NH₂)OC₂H₅, used in organic synthesis and formerly as a palliative treatment for leukemia.
2. Any of several esters, other than the ethyl ester, of carbamic acid.

[UR(O)-¹ + ETH(YL) + -ANE.]

Ethyl carbamate, used as intermediate in organic syntheses, as a solubilizer, and as the precursor for polyurethane foam. Found in small amounts in liqueurs made from stone fruits, wines, and some distilled spirits where it is formed by reaction between alcohol and nitrogenous compounds; a cause for concern since it is genotoxic.

Ethyl carbamate used as an anesthetic agent for laboratory animals, formerly used as a hypnotic in humans.

A compound with limited use as an anesthetic in nonrecovery experiments with laboratory animals because it causes pulmonary edema and is carcinogenic.

The noun has one meaning:

Meaning #1: an ester of carbamic acid