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separatrix

[ sep-uh-rey-triks, sep-uh-rey- ]
/ 藞s蓻p 蓹藢re瑟 tr瑟ks, 藢s蓻p 蓹藞re瑟- /
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noun, plural sep路a路ra路tri路ces [sep-uh-rey-tri-seez, -er-uh-trahy-seez], /藢s蓻p 蓹藞re瑟 tr瑟藢siz, -蓹r 蓹藞tra瑟 siz/, sep路a路ra路trix路es.
something that divides or separates, as the line between light and dark areas on a partially illuminated surface.
Mathematics. one of several symbols for separating components of a number, as a decimal point or comma.
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Origin of separatrix

1650鈥60; <New Latin s膿par膩tr墨x,Late Latin; see separator, -trix
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2023

British Dictionary definitions for separatrix

separatrix
/ (藞s蓻p蓹藢re瑟tr瑟ks) /

noun plural separatrices (藢s蓻p蓹藞re瑟tr瑟藢si藧z)
another name for solidus (def. 1)

Word Origin for separatrix

via New Latin from Late Latin, feminine of s膿par膩tor one that separates
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition 漏 William Collins Sons & Co. Ltd. 1979, 1986 漏 HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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