D defs.my
Entry 1 sense Webster, 1913

Separatrix

· Sep·a·ra·trix · IPA /sɛpəˈɹeɪtɹɪks/
01 n. 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 som…
pl. -trices, -trixes ((#))
  1. 1.
    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 to other marks of separation.(Arith.)