Unvarying in quality or characteristics, such as pitch, tone, style, or color.
In mathematics, steadily increasing or decreasing in value. See also oscillator.
(mathematics) Said of a function that either never decreases or never increases as its independent variable increases.
Origin of monotonic
From Modern Greek Î¼Î¿Î½Î¿Ï„Î¿Î½Î¹ÎºÏŒÏ‚ (monotonikÃ³s), derived from Ancient Greek Î¼ÏŒÎ½Î¿Ï‚ (monos, “single") plus Ï„Î¿Î½Î¹ÎºÏŒÏ‚ (tonikos, “accented").