e'ther

[G. aither, the pure upper air.] 1. A substance resulting from the action of an acid on an alcohol. 2. Ethyl or sulphuric ether (C2Hj)20; see tether, 3. gas of extreme tenuity which is a umed to pervade all space as well as all solids and liquids, and to be the transmitter of the rays of heat and of light, chlo'iic e., spiritus chloroform i. com'pound e. ester. Cott'onproc'- e e., a modified sulphuric ether consisting of refined diethyl oxide containing approximately two volumes of ethylene, J volume of carbon dioxide, and i per cent, by weight of ethyl alcohol, hydriod'ic e., a ethyl is iodidum. hydrobro'mic e., sethylis bromidum. hydrochlo'ric e., a ethyl is chloridum. meth'yl e., methyl'lc e., a colorle , inflammable gas (CHs)aO, prepared by distilling methyl alcohol 1, and sulphuric acid 4; produces anesthesia when inhaled. meth'yl-eth'yl e., (i) a solution of methyl e. in sulphuric ether, used as an anesthetic; a colorle liquid obtained by the action of ethyl iodide on sodium methylate; anesthetic. sulphu'ric e., ethyl oxide, ether (2). xylostyp'tic e., coUodium stypticum.