protagonist the principal character in a work of fiction
perfect tense a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
perfect participle a participle that expresses completed action
perfective tense a tense of verbs used in describing action that has been completed (sometimes regarded as perfective aspect)
perfectibility the capability of becoming perfect
parietal cortex that part of the cerebral cortex in either hemisphere of the brain lying below the crown of the head
perfect gas a hypothetical gas with molecules of negligible size that exert no intermolecular forces
superfluous more than is needed, desired, or required
Perdix perdix common European partridge
Pectinibranchia large order of gastropods comprising univalve mollusks that have a single gill resembling a comb
perfectionist one displeased by anything that does not meet high standards
perfunctory hasty and without attention to detail; not thorough
protectorate a state or territory partly controlled by a stronger state
perfect pitch the ability to identify the pitch of a tone
perfect game a game in which a pitcher does not allow any opposing player to reach base
perfectible capable of becoming or being made perfect
perfecter a skilled worker who perfects something
perfective aspect the aspect of a verb that expresses a completed action
prefecture the district administered by a prefect
vector product a vector that is the product of two other vectors