A tool or device used to apply a fluid or semi-fluid substance to a surface. / A tubular device to insert a tampon into the vagina.

plural of applicator

plural of applicative

Of or pertaining to an application.

(dated) applicability

plural of applicancy

In an applicative manner.

plural of applicability

plural of applicant

Having practical application; applicable. / (computing) Of a programming language: using successive functional transformations on data to arrive at a result.