Residue (r?zˈ?-d?), n. [F. résidu, L. residuum, fr. residuus that is left behind, remaining, fr. residere to remain behind. See Reside, and cf. Residuum.]
1. That which remains after a part is taken, separated, removed, or designated; remnant; remainder.
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The residue of them will I deliver to the sword. Jer. xv. 9.
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If church power had then prevailed over its victims, not a residue of English liberty would have been saved. I. Taylor.
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2. (Law) That part of a testeator's estate wwhich is not disposed of in his will by particular and special legacies and devises, and which remains after payment of debts and legacies.
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3. (Chem.) That which remains of a molecule after the removal of a portion of its constituents; hence, an atom or group regarded as a portion of a molecule; a moiety or group; -- used as nearly equivalent to radical, but in a more general sense.
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☞ The term radical is sometimes restricted to groups containing carbon, the term residue and moiety being applied to the others.
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4. (Theory of Numbers) Any positive or negative number that differs from a given number by a multiple of a given modulus; “thus, if 7 is the modulus, and 9 the given number, the numbers -5, 2, 16, 23, etc., are residues”.
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Syn. -- Rest; remainder; remnant; balance; residuum; remains; leavings; relics.
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