1570s, "equality of rank or status," from Middle French parité (14c.) or directly from Late Latin paritas "equality," from Latin adjective par (genitive paris) "equal" (see pair (n.)). Meaning "condition in which adversaries have equal resources" is from 1955, originally in reference to the U.S.A. and the U.S.S.R.
例文
1. Women have yet to achieve wage or occupational parity in many fields.
女性は多くの分野で賃金、職位の平等を獲得できていない。
2.Italy wanted naval parity with France.
イタリアは海軍力でフランスと対等になりたいと考えている。
3.Prison officers are demanding pay parity with the police force.
刑務官は警察官と同じ報酬を要求している。
4.The two currencies have now reached parity .
この2つの通貨は現在、同等の価値に達しています。
5.The government was ready to let the pound sink to parity with the dollar if necessary.