separatrix

separatrix
/sep"euh ray'triks, sep'euh ray"-/, n., pl. separatrices /sep'euh ray"tri seez', -euhr euh truy"seez/, separatrixes.
1. something that divides or separates, as the line between light and dark areas on a partially illuminated surface.
2. virgule.
3. Math. one of several symbols for separating components of a number, as a decimal point or comma.
[1650-60; < NL separatrix, LL; see SEPARATOR, -TRIX]

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  • Separatrix — Sep a*ra trix, n.; pl. L. { trices}, E. { trixes}. [L., she that separates.] (Arith.) The decimal point; the dot placed at the left of a decimal fraction, to separate it from the whole number which it follows. The term is sometimes also applied… …   The Collaborative International Dictionary of English

  • Separatrix (dynamical systems) — In mathematics, a separatrix refers to the boundary separating two modes of behaviour in a differential equation. ExampleConsider the differential equation describing the motion of a simple pendulum::{d^2 hetaover dt^2}+{gover l} sin heta=0.… …   Wikipedia

  • separatrix — noun The boundary separating two modes of behaviour in a differential equation …   Wiktionary

  • separatrix — n. something that separates or divides …   English contemporary dictionary

  • separatrix — sep·a·ra·trix …   English syllables

  • separatrix — noun a punctuation mark (/) used to separate related items of information • Syn: ↑solidus, ↑slash, ↑virgule, ↑diagonal, ↑stroke • Hypernyms: ↑punctuation, ↑punctuation mark …   Useful english dictionary

  • -trices — Separatrix Sep a*ra trix, n.; pl. L. { trices}, E. { trixes}. [L., she that separates.] (Arith.) The decimal point; the dot placed at the left of a decimal fraction, to separate it from the whole number which it follows. The term is sometimes… …   The Collaborative International Dictionary of English

  • -trixes — Separatrix Sep a*ra trix, n.; pl. L. { trices}, E. { trixes}. [L., she that separates.] (Arith.) The decimal point; the dot placed at the left of a decimal fraction, to separate it from the whole number which it follows. The term is sometimes… …   The Collaborative International Dictionary of English

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