isotonefunction

noun
UK /ˌaɪsəʊtəʊn ˈfʌŋkʃən/
US /ˌaɪsoʊtoʊn ˈfʌŋkʃən/

A special math rule that always keeps things in the same order.

The teacher showed how an isotonefunction keeps bigger numbers bigger.


OTHER MEANINGS

2. In algebra, a function between ordered sets that preserves the order relation.

Every isotonefunction maps comparable elements to comparable elements.

3. A map used in lattice theory that respects the partial order of both structures.

The researcher proved the isotonefunction was also continuous on the lattice.

4. A function that never reverses the direction of comparison between inputs.

Because it is an isotonefunction, increasing the input never decreases the output.