Definition of subadditive in English:

subadditive

adjective

  • Mathematics. Of a function f: such that f(x + y) ≤ f(x) + f(y) for all values of x and y.

Origin

Mid 19th century (in an earlier sense). From sub- + additive.

Pronunciation

subadditive

/ˌsʌbˈadɪtɪv/