a. [f. L. aggregāt- ppl. stem of aggregā-re (see AGGREGATE a.) + -IVE. Cf. late Fr. agrégatif, -ive.]
1. Of or pertaining to aggregation; collective.
1644. Jessop, Angel of Ephesus, 8. Seven singular starres may signifie seven unites, whether singular or aggregative.
1661. Bramhall, Just Vind., iii. 44. We have heard of late of an aggregative treason But never untill now of an aggregative schism.
1833. Lyell, Princ. Geol., III. 126. An aggregative process like that which takes place in the setting of mortar.
2. Having the tendency to collect particulars into wholes; or particles into masses.
1713. Notes to H. Mores Deaths Vis., 36. That Substance shoud cleave together, or have an aggregative Power.
1800. Henry, Epit. Chem. (1808), 227. The aggregative affinity of bodies in promoting chemical union.
1817. Coleridge, Biog. Lit., I. 285. Fancy, or the aggregative and associative power.
3. Having the tendency to unite (oneself) or combine; associative, social.
1837. Carlyle, Fr. Revol., I. IV. iv. (1871), 122. Crabbed old friend of men! it is his sociality, his aggregative nature.
4. quasi-sb. = AGGREGATE A 8.
a. 1641. Spelman, Feuds, in Wks. (1723), II. 27 (R.). Such Customs, as were in use either before the Conquest, or at the Conquest, or at any time since, in the disjunctive not in the aggregative.