present participle of fill in the blanks

Alternative form of formfilling.

(Britain) filling station, especially one attached to a supermarket

(mathematical analysis) a curve whose range contains the entire 2-dimensional unit square (or the 3-dimensional unit cube)

plural of space-filling curve

(chemistry) A type of three-dimensional molecular model, where the atoms are represented by spheres whose radii are proportional to the radii of the atoms, and whose center-to-center distances are proportional to the distances between the atomic nuclei, all in the same scale.

plural of space-filling model

plural of petrol filling station

present participle of fill one's pants

present participle of fill one's boots