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n of a substance, as of a plant; highly rectified; pure; hence, unmixed; as, an essential oil. "Mine own essential horror." Ford.

A place where water boils up; a spring that wells forth. [Obs.] Boyle.

To boil up; to swell and rage; to be agitated. Bacon.

Pertaining to, derived from, or resembling, ether; as, ethereal salts. Ethereal oil. (Chem.) See Essential oil, under Essential. -- Ethereal oil of wine (Chem.), a heavy, yellow, oily liquid consisting essentially of etherin, etherol, and ethyl sulphate. It is the oily residuum left after etherification. Called also h…

Pertaining to, or resembling, either. Ethereous oil. See Ethereal oil, under Ethereal.

, crystalline hydrocarbon, regarded as a polymeric variety of ethylene, obtained in heavy oil of wine, the residue left after making ether; -- formerly called also concrete oil of wine.

An oily hydrocarbon regarded as a polymeric variety of ethylene, produced with etherin.

ol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called also ethene, elayl, and formerly, bicarbureted hydrogen. Ethylene series (Chem.), the series if unsaturated hydrocarbons of which ethylene is the type, and represen…

e several small articles; esp., a box in which scissors, tweezers, and other articles of toilet or of daily use are carried.

A volatile, terpenelike oil extracted from the eucalyptus, and consisting largely of cymene.

To defeat or foil thoroughly in any scheme. [Slang.]

A colorless, crystalline substance extracted from oil of cloves; -- called also clove camphor.

, C10H12O2 resembling the phenols, and hence also called eugenic acid. It is found in the oils of pimento and cloves.

A limpid, oily liquid obtained by the destructive distillation of various vegetable and animal substances; -- specifically, an oil consisting largely of the higher hydrocarbons of the paraffin series. [Written also eupion.]

of Essex evaporated his thoughts in a sonnet. Sir. H. Wotton. Evaporating surface (Steam Boilers), that part of the heating surface with which water is in contact.

To make even or level; to level; to lay smooth. His temple Xerxes evened with the soil. Sir. W. Raleigh. It will even all inequalities Evelyn.

A kind of widemouthed pitcher or jug; esp., one used to hold water for the toilet. Basins and ewers to lave her dainty hands. Shak.

To boil out; to produce by boiling. [Obs.] Bacon.

The act of excocting or boiling out. [Obs.] Bacon.

To be agitated; to boil up; to effervesce. [Obs.]