monotonic

 
Pronunciation: /mɒnə(ʊ)ˈtɒnɪk/

adjective

  • 1 Mathematics (of a function or quantity) varying in such a way that it either never decreases or never increases.
  • 2speaking or uttered with an unchanging pitch or tone: her dour, monotonic husband

Derivatives

monotonically

adverb

monotonicity

noun