| 单词 | parity |
| 释义 | Word Frequency parity 1(ˈpærɪtɪ) nounWord forms: plural -ties 1. equality of rank, pay, etc 2. close or exact analogy or equivalence 3. finance a. the amount of a foreign currency equivalent at the established exchange rate to a specific sum of domestic currency b. a similar equivalence between different forms of the same national currency, esp the gold equivalent of a unit of gold-standard currency 4. equality between prices of commodities or securities in two separate markets 5. physics a. a property of a physical system characterized by the behaviour of the sign of its wave function when all spatial coordinates are reversed in direction. The wave function either remains unchanged (even parity) or changes in sign (odd parity) b. a quantum number describing this property, equal to +1 for even parity systems and –1 for odd parity systems Symbol: P. See also conservation of parity 6. mathematics a relationship between two integers. If both are odd or both even they have the same parity; if one is odd and one eventhey have different parity 7. (in the US) a system of government support for farm products Word origin C16: from Late Latin pāritās; see parWord Frequency parity 2(ˈpærɪtɪ) noun 1. the condition or fact of having given birth 2. the number of children to which a woman has given birth Word origin C19: from Latin parere to bear |
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