[f. SUPERADD, after addition.]
1. The action (or an act) of superadding, or the condition of being superadded; further addition. Often a mere strengthening of addition: cf. SUPERADD 1.
1609. Bible (Douay), Ezek. iii. comm., More grace added to the former which was sufficient before, and by this superaddition is made effectual.
1664. Power, Exp. Philos., I. 74. By a super-addition of the oyl of Vitriol, you may re-tincture as before.
1753. Johnson, Adventurer, No. 115, ¶ 15. If his topics be probable and persuasory, that he be able to recommend them by the superaddition of elegance and imagery.
1807. G. Chalmers, Caledonia, I. III. vii. 408. With all these powers, in superaddition to his own character.
1897. Allbutt’s Syst. Med., IV. 364. With a further increase of vascular tension and the superaddition of hypertrophy of the heart, the dropsy will lessen or cease.
2. Something superadded; a further addition.
1649. Jer. Taylor, Gt. Exemp., Disc. i. § 12. Virtue being superaddition to Nature.
1662. Gunning, Lent Fast, 63. One part of the Aerians superaddition to the Arrian heresie.
1714. Steele, Lover, No. 29 (1723), 170. He hath so clogg’d it, and sophisticated it with Superadditions, that it may be he hath altered the Nature … of it.
a. 1866. J. Grote, Exam. Utilit. Philos., xv. (1870), 226. A superaddition to, not a constituent of, man’s moral existence.
1897. Allbutt’s Syst. Med., III. 256. The ultimate composition of the lardaceous superaddition is that of the protein bodies.
So Superadditional, † Superadditionary adjs., of the nature of a superaddition.
1637. Bastwick, Litany, IV. Title-p., More Articles superadditionall vpon superadditionall.
1669. W. Simpson, Hydrol. Chym., 35. A simple mineral salt … without any superadditionary additaments.
1847. P. Fairbairn, Typol. Script., I. i. 3. What might now be regarded as fundamental,… must have been, to a considerable extent, super-additional.
