An Etymological Dictionary of Astronomy and Astrophysics
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A region of the solar atmosphere where the gradient of the field line → linkage from one boundary to another is large so that the field lines can slip-run rapidly through the → plasma. The QSL results from → magnetic reconnection without → null point.

→ quasi-; → separatrix; → layer.

1) General: Something that divides or separates. Plural: separatrices.
2) Math.: Any mark that separates digits in groups, such as the decimal point placed at the left of a decimal fraction, to separate it from the whole number which it follows.
3) Physics: A bundle of magnetic field lines which creates separate plasma regions.

From L. separatrix "she that separates," → separation; -trix a suffix.

Jodâgar, from jodâ "separate," → separation, + -gar, → -or.