Search the Dictionary

A trivalent hydrocarbon radical, CH3.C.

t of fats, resins, and pyroxylin, but finds its chief use as an anæsthetic. Called also ethyl oxide.ethyl ether.

Pertaining to the hypothetical upper, purer air, or to the higher regions beyond the earth or beyond the atmosphere; celestial; as, ethereal space; ethereal regions. Go, heavenly guest, ethereal messenger. Milton.

A white, 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.

A monatomic, hydrocarbon radical, C2H5 of the paraffin series, forming the essential radical of ethane, and of common alcohol and ether. Ethyl aldehyde. (Chem.) See Aldehyde.

A compound derived from ethyl alcohol by the replacement of the hydroxyl hydrogen, after the manner of a hydrate; an ethyl alcoholate; as, potassium ethylate, C2H5.O.K.

A colorless, gaseous hydrocarbon, C2H4, forming an important ingredient of illuminating gas, and also obtained by the action of concentrated sulphuric acid in alcohol. It is an unsaturated compound and combines directly with chlorine and bromine to form oily liquids (Dutch liquid), -- hence called olefiant gas. Called…

An unsymmetrical, divalent, hydrocarbon radical, C2H4 metameric with ethylene but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.

ellow or greenish yellow gas, first prepared by Davy, evolved from potassium chlorate and hydrochloric acid. It is supposed to consist of chlorine tetroxide with some free chlorine.

A mineral occurring in transparent emerald green crystals. It is hydrous arseniate of copper.

owers; generation with full fertility between different species or races, specif. between hybrids of the first generation.

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

vegetable and animal substances; -- specifically, an oil consisting largely of the higher hydrocarbons of the paraffin series. [Written also eupion.]

ng to, or denoting, an acid so called. Euthiochroic acid (Chem.), a complex derivative of hydroquinone and sulphonic (thionic) acid. -- so called because it contains sulphur, and forms brilliantly colored (yellow) salts.

esenting in an excessive manner; a going beyond the bounds of truth reason, or justice; a hyperbolical representation; hyperbole; overstatement. No need of an exaggeration of what they saw. I. Taylor.

moral quality; -- used with words of a bad significance. [Obs. or Ironical] "An excellent hypocrite." Hume. Their sorrows are most excellent. Beau. & Fl.

Exertion for the sake of training or improvement whether physical, intellectual, or moral; practice to acquire skill, knowledge, virtue, perfectness, grace, etc. "Desire of knightly exercise." Spenser. An exercise of the eyes and memory. Locke.

Ornament; decoration; embellishment. [Obs.] Hyperbolical exornations . . . many much affect. Burton.

to cold, insult, danger, or ridicule; to expose an army to destruction or defeat. Expose thyself to feel what wretches feel. Shak.