Part 145

4. Provocation; irritation. [Colloq.] Dickens.

Ag"gra*va*tive (&?;), a. Tending to aggravate. -- n. That which aggravates.

Ag"gre*gate (&?;), v. t. [imp. & p. p. Aggregated (&?;); p. pr. & vb. n. Aggregating.] [L. aggregatus, p. p. of aggregare to lead to a flock or herd; ad + gregare to collect into a flock, grex flock, herd. See Gregarious.] 1. To bring together; to collect into a mass or sum. "The aggregated soil." Milton.

2. To add or unite, as, a person, to an association.

It is many times hard to discern to which of the two sorts, the good or the bad, a man ought to be aggregated. Wollaston.

3. To amount in the aggregate to; as, ten loads, aggregating five hundred bushels. [Colloq.]

Syn. -- To heap up; accumulate; pile; collect.

Ag"gre*gate (&?;), a. [L. aggregatus, p. p.] 1. Formed by a collection of particulars into a whole mass or sum; collective.

The aggregate testimony of many hundreds. Sir T. Browne.

2. (Anat.) Formed into clusters or groups of lobules; as, aggregate glands.

3. (Bot.) Composed of several florets within a common involucre, as in the daisy; or of several carpels formed from one flower, as in the raspberry.

4. (Min. & Geol.) Having the several component parts adherent to each other only to such a degree as to be separable by mechanical means.

5. (Zoöl.) United into a common organized mass; -- said of certain compound animals.

Corporation aggregate. (Law) See under Corporation.

Ag"gre*gate, n. 1. A mass, assemblage, or sum of particulars; as, a house is an aggregate of stone, brick, timber, etc.

In an aggregate the particulars are less intimately mixed than in a compound.

2. (Physics) A mass formed by the union of homogeneous particles; -- in distinction from a compound, formed by the union of heterogeneous particles.

In the aggregate, collectively; together.

Ag"gre*gate*ly, adv. Collectively; in mass.

Ag`gre*ga"tion (&?;), n. [Cf. LL. aggregatio, F. agrégation.] The act of aggregating, or the state of being aggregated; collection into a mass or sum; a collection of particulars; an aggregate.

Each genus is made up by aggregation of species. Carpenter.

A nation is not an idea only of local extent and individual momentary aggregation, but . . . of continuity, which extends in time as well as in numbers, and in space. Burke.

Ag"gre*ga*tive (&?;), a. [Cf. Fr. agrégatif.] 1. Taken together; collective.

2. Gregarious; social. [R.] Carlyle.

Ag"gre*ga`tor (&?;), n. One who aggregates.

Ag*grege" (&?;), v. t. [OF. agreger. See Aggravate.] To make heavy; to aggravate. [Obs.] Chaucer.

Ag*gress" (&?;), v. i. [imp. & p. p. Aggressed (&?;); p. pr. & vb. n. Aggressing.] [L. aggressus, p. p. of aggredi to go to, approach; ad + gradi to step, go, gradus step: cf. OF. aggresser. See Grade.] To commit the first act of hostility or offense; to begin a quarrel or controversy; to make an attack; -- with on.

Ag*gress", v. t. To set upon; to attack. [R.]