plural of principal ideal

(informal) The work of a princess.

plural of welfare princess

Alternative form of non-aggression principle

(grammar, usually in the plural) Any of the forms of a word which contain its stem(s) in the simplest form, or such a form that, when taken with all the other principal parts, allows the entire paradigm to be derived.

plural of principal part

(evolutionary biology) The hypothesis that the phylogeny which includes the fewest character changes is the one most likely to be correct.

plural of princehood

(somewhat derogatory) A policy that prohibits building anything that could disturb those who already reside in an area.

plural of principal root