sublinear
/ˈsʌbˌlaɪnər/Definitions
1. adjective
extending or growing in a curve that is not a straight line; curved
“The sublinear growth of the population led to increased competition for resources.”
2. noun
a curve that is not a straight line
“The sublinear equation was used to model the population growth.”
3. noun
a function or relation that grows more slowly than a linear function or relation
“The sublinear complexity of the algorithm made it more efficient.”