PERMANENT a.
before their liquefaction in 1877. -- Permanent way, the roadbed and superstructure of a finished railway; -- so called in distinction from the contractor's temporary way. -- Permanent white (Chem.), barium sulphate (heavy spar), used as a white pigment or paint, in distinction from white lead, which tarnishes and da…
PINNACLE n.
An architectural member, upright, and generally ending in a small spire, -- used to finish a buttress, to constitute a part in a proportion, as where pinnacles flank a gable or spire, and the like. Pinnacles may be considered primarily as added weight, where it is necessary to resist the thrust of an arch, etc. Some re…
PORT n.
els are admitted to discharge and receive cargoes, from whence they depart and where they finish their voyages. Free port. See under Free. -- Port bar. (Naut,) (a) A boom. See Boom, 4, also Bar, 3. (b) A bar, as of sand, at the mouth of, or in, a port. -- Port charges (Com.), charges, as wharfage, etc., to which a sh…