Perkin, per′kin, n. weak perry.
Perlaceous=Pearlaceous. See Pearl.
Perlite, pėr′līt, n. the name given to some vitreous rocks, as obsidian, which seem as if made up of little pearly or enamel-like spheroids.—adj. Perlit′ic.
Perlous, pėrl′us, adj. (Spens.). Same as Perilous.
Perlustrate, per-lus′trāt, v.t. to survey carefully.—n. Perlustrā′tion. [L. perlustrāre, -ātum.]
Permanent, pėr′ma-nent, adj. lasting: durable: not subject to change: not to be removed: (zool.) always present.—ns. Per′manence, Per′manency, state or quality of being permanent: continuance in the same state, position, &c.: unlikelihood of change: duration.—adv. Per′manently.—Permanent way, the finished road of a railway. [Fr.,—L. permanēre—per, through, manēre, to continue.]
Permanganate, per-man′gan-āt, n. a salt containing manganese.—adj. Permangan′ic.
Permeate, pėr′mē-āt, v.t. to pass through the pores of: to penetrate and fill the pores of.—n. Permēabil′ity.—adj. Per′mēable, that may be permeated or passed through: allowing the passage of liquids.—adv. Per′mēably.—n. Permēā′tion, act of permeating, or state of being permeated.—adj. Permēā′tive. [L. permeatus—per, through, meāre, to pass.]
Permian, per′mi-an, n. a group of strata forming the uppermost division of the Palezoic series.
Permiscible, per-mis′i-bl, adj. capable of being mixed.