Aggregate



GRE 蓝宝 Barron TOEFL

解释

GRE 红宝书

• v. 集合; 合计
• ［英］ v. 集合 ( to gather into a whole) ; 合计 ( total; sum)
• ［记］ a g+greg ( 团体) +ate -> 成为团体 -> 集合;
• ［同］ 派生词: aggregation ( n. 聚集, 总合) 同根词: gregarious ( 喜社交的) ; egregious ( 过分的, 极坏的)

Webster Collegiate

I. adjective

• Etymology: Middle English aggregat, from Latin aggregatus, past participle of aggregare to add to, from ad- + greg-, grex flock
• Date: 15th century
• formed by the collection of units or particles into a body, mass, or amount ; collective: as
  • a.
    • (1) clustered in a dense mass or head an aggregate flower
    • (2) formed from several separate ovaries of a single flower aggregate fruit
  • b. composed of mineral crystals of one or more kinds or of mineral rock fragments
  • c. taking all units as a whole aggregate sales
• • aggregately adverb
• • aggregateness noun

II. transitive verb (-gated; -gating)

• Date: 15th century
• 1. to collect or gather into a mass or whole
• 2. to amount in the aggregate to ; total

III. noun

• Date: 15th century
• 1. a mass or body of units or parts somewhat loosely associated with one another
• 2. the whole sum or amount ; sum total
• 3.
  • a. an aggregate rock
  • b. any of several hard inert materials (as sand, gravel, or slag) used for mixing with a cementing material to form concrete, mortar, or plaster
  • c. a clustered mass of individual soil particles varied in shape, ranging in size from a microscopic granule to a small crumb, and considered the basic structural unit of soil
• 4. set 21
• 5. monetary aggregate

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