Cement

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GRE 蓝宝 考研

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[编辑] GRE 红宝书

  • n. 水泥; 胶粘剂
  • [英] 水泥 ( grey powder, made by burning lime and clay, that sets hard after mixing with water)
  • [类] 反义词: fracture ( 破裂)

[编辑] Webster Collegiate

I. noun

  • Etymology: Middle English sement, from Anglo-French ciment, from Latin caementum stone chips used in making mortar, from caedere to cut
  • Date: 14th century
  • 1.
    • a. concrete
    • b. a powder of alumina, silica, lime, iron oxide, and magnesium oxide burned together in a kiln and finely pulverized and used as an ingredient of mortar and concrete; also any mixture used for a similar purpose
  • 2. a binding element or agency: as
    • a. a substance to make objects adhere to each other
    • b. something serving to unite firmly <justice is the cement that holds a political community together — R. M. Hutchins
  • 3. cementum
  • 4. a plastic composition made especially of zinc or silica for filling dental cavities
  • 5. the fine-grained groundmass or glass of a porphyry

II. verb

  • Date: 14th century
  • transitive verb
    • 1. to unite or make firm by or as if by cement
    • 2. to overlay with concrete
  • intransitive verb
    • to become cemented
  • ? cementer noun


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