D defs.my
Entry 2 senses Webster, 1913

Monotonic

· Mon·o·ton·ic · IPA /ˌmɑnəˈtɑnɪk/
01 a. Of, pertaining to, or uttered in, a monotone; monotonous.
  1. 1.
    Of, pertaining to, or uttered in, a monotone; monotonous.
  2. 2.
    Always increasing or always decreasing, as the value of the independent variable increases; -- of a function.(Math.)