Monotone refers to a sound, for example music or speech, that has a single unvaried tone. See pure tone and monotonic scale.
Monotone or monotonicity may also refer to:
In economics Monotone preferences, a property of a consumer's preference ordering. Monotonicity (mechanism design), a property of a social choice function. Monotonicity criterion, a property of a voting system. Resource monotonicity, a property of resource allocation rules and bargaining systems.
In mathematics Monotone class theorem, in measure theory Monotone convergence theorem, in mathematics Monotone polygon, a property of a geometric object Monotonic function, a property of a mathematical function Monotonicity of entailment, a property of some logical systems Monotonically increasing, a property of number sequence
Other uses Monotone (software), an open source revision control system Monotonic orthography, simplified spelling of modern Greek The Monotones, 1950s American rock and roll band Quantifier monotonicity, in formal semantics "Monotone" (song), a song by Yoasobi for 2024 animated film Fureru "Monotone", a song by American alternative rock band Splender