Parity



GRE 蓝宝 Barron

解释

GRE 红宝书

• n. ( 水平, 地位, 数量等的) 同等, 相等
• ［英］ n. ( 水平, 地位, 数量等的) 同等, 相等 ( equality)
• ［类］ 反义词: inequality ( 不等)

Webster Collegiate

I. noun (plural -ties)

• Etymology: Latin paritas, from par equal
• Date: 1608
• 1. the quality or state of being equal or equivalent
• 2.
  • a. equivalence of a commodity price expressed in one currency to its price expressed in another
  • b. equality of purchasing power established by law between different kinds of money at a given ratio
• 3. an equivalence between farmers' current purchasing power and their purchasing power at a selected base period maintained by government support of agricultural commodity prices
• 4.
  • a. the property of an integer with respect to being odd or even <3 and 7 have the same parity>
  • b.
    • (1) the state of being odd or even used as the basis of a method of detecting errors in binary-coded data
    • (2) parity bit
• 5. the property of oddness or evenness of a quantum mechanical function
• 6. the symmetry of behavior in an interaction of a physical entity (as a subatomic particle) with that of its mirror image

II. noun

• Etymology: -parous
• Date: 1878
• the state or fact of having borne offspring; also the number of children previously borne

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