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The act or state of passing the whole night; a remaining all night. "Pernoctation in prayer." Jer. Taylor.

One who receives the profits, as of an estate.

A reverberatory furnace with a circular revolving hearth, -- used in making steel.

A silk-producing moth (Attacus Pernyi) which feeds upon the oak. It has been introduced into Europe and America from China.

A titanate of lime occurring in octahedral or cubic crystals. [Written also Perovskite.]

See Pirogue.

A term applied to the stipes or stalks of certain fungi which are covered with a woolly substance which at length becomes powdery. Henslow.

Of or pertaining to the fibula; in the region of the fibula.

To make a peroration; to harangue. [Colloq.]

The concluding part of an oration; especially, a final summing up and enforcement of an argument. Burke.

Act, process, or result of peroxidizing; oxidation to a peroxide.

An oxide containing more oxygen than some other oxide of the same element. Formerly peroxides were regarded as the highest oxides. Cf. Per-, 2.

To oxidize to the utmost degree, so as to form a peroxide.

To weight carefully in the mind. [R.] "Perpend my words." Shak.

See Perpender.

hrough a wall so as to appear on both sides of it, and acting as a binder; -- called also perbend, perpend stone, and perpent stone.

Something hanging straight down; a plumb line. [Obs.]

At right angles to a given line or surface; as, the line ad is perpendicular to the line bc. Perpendicular style (Arch.), a name given to the latest variety of English Gothic architecture, which prevailed from the close of the 14th century to the early part of the 16th; -- probably so called from the vertical style of…

The quality or state of being perpendicular.

In a perpendicular manner; vertically.