separatrix
5 synonyms for separatrix, grouped by meaning and by how common each one is.
Noun — A mark, such as ⟨L⟩ or ⟨|⟩, once used to show where the whole-number part of a number ends and the decimal part begins.
Synonyms
Everyday swaps
Common words most readers know — safe in any writing.
Less common
Still standard English, but they carry more weight.
Rare, literary or technical
Precise, but they will stand out — check the sense before using one.
Etymology
Learned borrowing from Latin sēparātrīx, the feminine form of separator (originally owing to an implied līnea (“line”)), from sēparāre (“to divide; to separate”) + -trix (forming female agents). By surface analysis, separate + -trix. First developed as a decimal mark among the medieval Arab mathematicians, whence a sho...
Full origin of separatrix →