separatrix

['sepəreitriks]
  • n. [自] 分界线;分隔号

英文词源


separatrix (n.)
line or hooked line used to separate printed figures, originally with numerals and used where modern texts use a decimal point, also in other specialized senses, from Late Latin (linea) separatrix, feminine agent noun from separare (see separate (v.)).

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