Primary; principal.

The quality of being principal.

Wales / Alternative letter-case form of principality; any of the actual extant principalities.

Alternative form of principlism

plural of principate

plural of editio princeps

(sometimes proscribed) Alternative spelling of São Tomé and Príncipe

Official name of Andorra.

(cinematography) The phase of film production during which the film is actually shot, as distinct from pre-production and post-production.

(algebra) An ideal I in an algebraic object R (which could be a ring, algebra, semigroup or lattice) that is generated by a given single element a ∈ R; the smallest ideal that contains a.