(differential geometry, tensor calculus, sometimes as "differential p-form") A completely antisymmetric tensor (of order p) that is defined on a Riemannian manifold; an expression, derived by applying a formalism to said tensor, that represents an integrand over the manifold.

(Marxism) The social form of a commodity as a representation of value (socially necessary labour time).

(linear algebra, multilinear algebra) Given a vector space V over a field K of scalars, a mapping Vᵏ → K that is linear in each of its arguments;

A removable prosthetic breast.

(Britain) An annual book produced showing the results for the year's horse races together with comments on each runner. / (Britain, figuratively) The past performance of something or someone.

plural of form book

Alternative form of basic form (“the uninflected form of a word used as a dictionary entry”)

The base form of a verb (as opposed to its extended verb forms), particularly in the Semitic languages

A standard formula to end a letter. / (transferred) A standard formula to end a speech. / (US) A form in an authority filled to formally document the closing a case.

Synonym of character-building