Chem. [f. ETH- + -IDE.] A compound formed by the union of an element or a radical with the monad radical ethyl.
1865. Odling, in Athenæum, No. 1944. 131/1. Aluminium ethide, and methide.
1880. Libr. Univ. Knowl., VIII. 593. The action of carbonic acid on ethyde of sodium [will produce ketones].
