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the attempt to extort money, by threat of injury; blackmailing. Strike block (Carp.), a plane shorter than a jointer, used for fitting a short joint. Moxon. -- Strike of flax, a handful that may be hackled at once. [Obs. or Prov. Eng.] Chaucer. -- Strike of sugar. (Sugar Making) (a) The act of emptying the teache, o…

Miscellaneous; composed of different kinds.

contrary order; -- said of a section of an oblique cone having a circular base made by a plane not parallel to the base, but so inclined to the axis that the section is a circle; applied also to two similar triangles when so placed as to have a common angle at the vertex, the opposite sides not being parallel. Brande &…

All sublunary comforts imitate the changeableness, as well as feel the influence, of the planet they are under. South.

Concealed within the base of the petiole, as the leaf buds of the plane tree.

or gnomon, of a dial is erected; being the common section of the face of the dial and a plane perpendicular to it passing through the style. [Written also substile.] Hutton.

Mischievous; malignant; unpropitious. Such sullen planets at my birth did shine. Dryden.

which constitutes day, and its absence night; the central body round which the earth and planets revolve, by which they are held in their orbits, and from which they receive light and heat. Its mean distance from the earth is about 92,500,000 miles, and its diameter about 860,000.

the apex of the fruit; ascending; -- said of the radicle. Superior conjunction, Superior planets, etc. See Conjunction, Planet, etc. -- Superior figure, Superior letter (Print.), a figure or letter printed above the line, as a reference to a note or an index of a power, etc; as, in x2 + yn, 2 is a superior figure, n a…

that all the parts of the one coincide with the parts of the other; as, to superpose one plane figure on another.

the state of being superposed; as, the superposition of rocks; the superposition of one plane figure on another, in geometry.

A magnitude that has length and breadth without thickness; superficies; as, a plane surface; a spherical surface.

of rivers, with the position of islands, rocks, and shoals, the depth of water, etc. -- Plane surveying. See under Plane, a. -- Topographical surveying, that branch of surveying which involves the process of ascertaining and representing upon a plane surface the contour, physical features, etc., of any portion of the…

The American plane tree, or buttonwood.

s; -- said of surfaces which in all directions around any point bend away from a tangent plane toward the same side, as the surface of a sphere; -- opposed to anticlastic. Sir W. Thomson.

Formed by strata dipping toward a common line or plane; as, a synclinal trough or valley; a synclinal fold; -- opposed to anticlinal.

between two successive conjunctions; extending from one conjunction, as of the moon or a planet with the sun, to the next; as, a synodical month (see Lunar month, under Month); the synodical revolution of the moon or a planet.

The point of an orbit, as of the moon or a planet, at which it is in conjunction or opposition; -- commonly used in the plural.

e ascribed; the seal, figure, character, or image, of a heavenly sign, constellation, or planet, engraved on a sympathetic stone, or on a metal corresponding to the star, in order to receive its influence.

; as, a line tangent to a curve; a curve tangent to a surface; tangent surfaces. Tangent plane (Geom.), a plane which touches a surface in a point or line. -- Tangent scale (Gun.), a kind of breech sight for a cannon. -- Tangent screw (Mach.), an endless screw; a worm.