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hile, as the same keys are used, the instrument can mark no difference to the ear, as the substitution of A for G#.

Admitting of exchange or mutual substitution. "Interchangeable warrants." Bacon.

A radical regarded as derived from ammonium by the substitution of mercury for a portion of the hydrogen.

A hypothetical radical derived from ammonium by the substitution of metallic atoms in place of hydrogen.

Exchange; replacement; substitution; metathesis. [R.]

The act, process, or result of exchange, substitution, or replacement of atoms and radicals; thus, by metathesis an acid gives up all or part of its hydrogen, takes on an equivalent amount of a metal or base, and forms a salt.

embling in slant and order of letters the reflection of ordinary writing in a mirror. The substitution of this manner of writing for the common manner is a symptom of some kinds of nervous disease.

Not this merely, but also; not only so, but; -- used to mark the addition or substitution of a more explicit or more emphatic phrase.

A substitution of a new debt for an old one; also, the remodeling of an old obligation.

uniting with five molecules of a monacid base; having five acid hydrogen atoms capable of substitution by a basic radical; -- said of certain acids.

combining with, five molecules of a monobasic acid; having five hydrogen atoms capable of substitution by acid residues; -- said of certain complex bases.

Having five hydrogen atoms capable of substitution.

Any one of certain class of organic bases regarded as formed from ammonia by the substitution of phenyl for hydrogen.

zed by, some quality or property in the first degree; having undergone the first stage of substitution or replacement. Primary alcohol (Organic Chem.), any alcohol which possess the group CH2.OH, and can be oxidized so as to form a corresponding aldehyde and acid having the same number of carbon atoms; -- distinguished…

cubic form of fluor spar, the fluor crystal having been changed to quartz by a process of substitution.

Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities. See the Phrases below. Reciprocal equation (Math.), one which remains unchanged in form when the reciprocal of the unknown quantity is substituted for that quantity. -- Reciprocal figures (G…

in a government or constitution; the overthrow or renunciation of one government, and the substitution of another, by the governed. The violence of revolutions is generally proportioned to the degree of the maladministration which has produced them. Macaulay.

office, the practice of changing public officers at frequent intervals by discharges and substitutions. -- Rotation of crops, the practices of cultivating an orderly succession of different crops on the same land.

Possessing some quality, or having been subject to some operation (as substitution), in the second degree; as, a secondary salt, a secondary amine, etc. Cf. primary.

f putting one thing in the place of another, or of changing the place of a thing; change; substitution. My going to Oxford was not merely for shift of air. Sir H. Wotton.