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rning taste. They are used in essences, perfumery, etc., and include many varieties of compounds; as lemon oil is a terpene, oil of bitter almonds an aldehyde, oil of wintergreen an ethereal salt, etc.; -- called also volatile oils in distinction from the fixed or nonvolatile.

An ethereal salt, or compound ether, consisting of an organic radical united with the residue of any oxygen acid, organic or inorganic; thus the natural fats are esters of glycerin and the fatty acids, oleic, etc.

Valuable; worth a great price. [R.] A pound of man's flesh, taken from a man, Is not so estimable, profitable neither, As flesh of muttons, beefs, or goats. Shak.

f two different radicals in the same molecule; as, ethyl methyl ether, C2H5.O.CH3. -- Compound ether (Chem.), an ethereal salt or a salt of some hydrocarbon as the base; an ester. -- Ether engine (Mach.), a condensing engine like a steam engine, but operated by the vapor of ether instead of by steam.…

Any compound of ethyl of a binary type; as, potassium ethide.

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.

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 also ethene, elayl, and formerly, bicarbureted hydrogen. Ethylene series (Chem.), the series if unsatu…

but written thus, CH3.CH to distinguish it from the symmetrical ethylene, CH2.CH2. Its compounds are derived from aldehyde. Formerly called also ethidene.

lue of one country when expressed in the coin or standard of another, as the value of the pound sterling in the currency of France or the United States. The par of exchange rarely varies, and serves as a measure for the rise and fall of exchange that is affected by the demand and supply. Exchange is at par when, for ex…

To make plain, manifest, or intelligible; to clear of obscurity; to expound; to unfold and illustrate the meaning of; as, to explain a chapter of the Bible. Commentators to explain the difficult passages to you. Gay. To explain away, to get rid of by explanation. "Those explain the meaning quite "away." Pope.…

One who explains; an expounder or expositor; a commentator; an interpreter.

The act of explaining, expounding, or interpreting; the act of clearing from obscurity and making intelligible; as, the explanation of a passage in Scripture, or of a contract or treaty.

One who unfolds or explains; an expounder; an explainer.

An explosive agent; a compound or mixture susceptible of a rapid chemical reaction, as gunpowder, or nitro-glycerine.

To expound; to explain; also, to expose; to imperil. [Old Eng. & Scotch] Drummond.

The act of expounding or of laying open the sense or meaning of an author, or a passage; explanation; interpretation; the sense put upon a passage; a law, or the like, by an interpreter; hence, a work containing explanations or interpretations; a commentary. You know the law; your exposition Hath been most sound. Shak.…

One who, or that which, expounds or explains; an expounder; a commentator. Bp. Horsley.

includes the adjacent parts. In most invertebrates the years are immovable ocelli, or compound eyes made up of numerous ocelli. See Ocellus. Description of illustration: a b Conjunctiva; c Cornea; d Sclerotic; e Choroid; f Cillary Muscle; g Cillary Process; h Iris; i Suspensory Ligament; k Prosterior Aqueous Chamber b…

One of the numerous small eyes which make up the compound eyes of insects and crustaceans.

a common species of fern with large decompound fronds (Asplenium Filixfæmina), growing in many countries; lady fern.