Dimension



GRE 蓝宝 TOEFL 考研

解释

GRE 红宝书

• n. 尺寸
• ［英］ n. 尺寸 ( measurement of any sort [breadth, length, thickness, height])
• ［类］ congruent : dimensions / coeval : age ( 全等的是大小相同 / 同时代的是时代相同)
• ［记］ di ( 加强) +mens ( 测量) +ion -> 加强测量 -> 计算 ( 面积)

Webster Collegiate

I. noun

• Etymology: Middle English, from Anglo-French, from Latin dimension-, dimensio, from dimetiri to measure out, from dis- + metiri to measure — more at measure
• Date: 14th century
• 1.
  • a.
    • (1) measure in one direction; specifically one of three coordinates determining a position in space or four coordinates determining a position in space and time
    • (2) one of a group of properties whose number is necessary and sufficient to determine uniquely each element of a system of usually mathematical entities (as an aggregate of points in real or abstract space) <the surface of a sphere has two dimensions>; also a parameter or coordinate variable assigned to such a property <the three dimensions of momentum>
    • (3) the number of elements in a basis of a vector space
  • b. the quality of spatial extension ; magnitude, size
  • c. a lifelike or realistic quality
  • d. the range over which or the degree to which something extends ; scope — usually used in plural
  • e. one of the elements or factors making up a complete personality or entity ; aspect
• 2. obsolete bodily form or proportions
• 3. any of the fundamental units (as of mass, length, or time) on which a derived unit is based; also the power of such a unit
• 4. wood or stone cut to pieces of specified size
• 5. a level of existence or consciousness
• ? dimensional adjective
• ? dimensionality noun
• ? dimensionally adverb
• ? dimensionless adjective

II. transitive verb (dimensioned; dimensioning)

• Date: 1754
• 1. to form to the required dimensions
• 2. to indicate the dimensions of (as on a drawing)

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