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One of several imaginary lines, assumed in describing the position of the planes by which a crystal is bounded.

ontal circle. Azimuthal error of a transit instrument, its deviation in azimuth from the plane of the meridian.

Relating to, or forming, the base. Basal cleavage. See under Cleavage. -- Basal plane (Crystallog.), one parallel to the lateral or horizontal axis.

The basal plane of a crystal.

The slope or angle to which the cutting edge of a tool, as a plane, is ground. Grier.

One of certain girdles or zones on the surface of the planets Jupiter and Saturn, supposed to be of the nature of clouds.

-- Bench of bishops, the whole body of English prelates assembled in council. -- Bench plane, any plane used by carpenters and joiners for working a flat surface, as jack planes, long planes. -- Bench show, an exhibition of dogs. -- Bench table (Arch.), a projecting course at the base of a building, or round a pill…

A solid consisting of a double twelve-sided pyramid; -- so called because the planes of this form occur on crystals of beryl.

A kind of gear in which the two wheels working together lie in different planes, and have their teeth cut at right angles to the surfaces of two cones whose apices coincide with the point where the axes of the wheels would meet.

The replacement of an edge by two similar planes, equally inclined to the including faces or adjacent planes.

, restrain, or hold by physical force or influence of any kind; as, attraction binds the planets to the sun; frost binds the earth, or the streams. He bindeth the floods from overflowing. Job xxviii. 11. Whom Satan hath bound, lo, these eighteen years. Luke xiii. 16.

An aspect of the planets when they are distant from each other by twice the fifth part of a great circle -- that is, twice 72 degrees.

The cutting iron of a plane. Knight.

A plant (Lewisia rediviva) allied to the purslane, but with fleshy, farinaceous roots, growing in the mountains of Idaho, Montana, etc. It gives the name to the Bitter Root mountains and river. The Indians call both the plant and the river Spæt'lum.

of wood more or less bulky; a solid mass of wood, stone, etc., usually with one or more plane, or approximately plane, faces; as, a block on which a butcher chops his meat; a block by which to mount a horse; children's playing blocks, etc. Now all our neighbors' chimneys smoke, And Christmas blocks are burning. Wither…

- Body servant, a valet. -- The bodies seven (Alchemy), the metals corresponding to the planets. [Obs.] Sol gold is, and Luna silver we threpe (=call), Mars yren (=iron), Mercurie quicksilver we clepe, Saturnus lead, and Jupiter is tin, and Venus coper. Chaucer. -- Body snatcher, one who secretly removes without right…

est part of anything; the foot; as, the bottom of a tree or well; the bottom of a hill, a lane, or a page. Or dive into the bottom of the deep. Shak.

r (d. 1891), whose militarism and advocacy of revenge on Germany attracted to him a miscellaneous party of monarchists and Republican malcontents. -- Bou*lan"gist (#), n.

To roll a ball on a plane, as at cricket, bowls, etc.

A plane of an orthorhombic crystal which is parallel both to the vertical axis and to the shorter lateral (brachydiagonal) axis.