Orbital riveting.

(phonology) A property of a morpheme: the abstract form that the morpheme is postulated to have before any phonological rules have applied to it.

An object, usually in the shape of a block or a plate, used in printing to apply ink on the printed surface.

(logic) The result of replacing parts of an argument with letters, leaving only logic words such as "if" and "for all" unreplaced.

plural of art form

plural of argument form

plural of sixth form

(linguistics) A synonymous but not identical, coexisting form (variation) of a word, such as an accepted alternative spelling.

plural of life form

The imprint upon the surface of a body of water that is made by a feeding trout, indicative by its form of the feeding behavior of the fish.