separatrix

noun

sep·​a·​ra·​trix

¦sepə¦rā‧triks

plural separatrices

ˌsepəˈrā‧trəˌsēz,

-rə‧ˈtrī(ˌ)sēz

also separatrixes

1

: a diagonal or upright stroke used to separate one marginal proof correction from another in the same line

2

: diagonal sense 4

Word History

Etymology

New Latin, from Late Latin, feminine of separator

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