A beverage with added functionality or ingredients and consumed for its supposed health benefits.

(computer security) A function that may contain tainted values. / (ecology) An environment’s ability to absorb and render pollution harmless.

(mathematics) a function that has derivatives of all finite orders everywhere in its domain.

plural of functional dependency

plural of functional beverage

plural of functional food

(philosophy) A form of functionalism (philosophical paradigm of mind) based on the rejection of behaviorist theories in psychology and their replacement with empirical cognitive models of the mind.

(number theory) A function, denoted by S(n) for some positive integer n, that yields the smallest number s such that n divides the factorial s!. For example, the number 8 does not divide 1!, 2!, 3!, but does divide 4!, so S(8) = 4.

(mathematical analysis, statistics) Any of various real functions whose graph resembles an elongated letter "S"; specifically, the logistic function y=(eˣ)/(eˣ+1)=1/(1+e⁻ˣ).

plural of functional water