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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.

e 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. Withe…

-- 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 righ…

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.

, as meat over the fire; to be greatly heated, or to be made uncomfortable with heat. The planets and comets had been broiling in the sun. Cheyne.

To bend out of a true vertical plane, as a wall.

rsenic from the pyrites. Weale. -- Burning mirror, a concave mirror, or a combination of plane mirrors, used for the same purpose as a burning glass.

The Platanus occidentalis, or American plane tree, a large tree, producing rough balls, from which it is named; -- called also buttonball tree, and, in some parts of the United States, sycamore. The California buttonwood is P. racemosa.

est; ascertained or conjectured as a result of calculation; as, the calculated place of a planet; the calculated velocity of a cannon ball.

legs, for measuring the diameter or thickness of bodies, as of work shaped in a lathe or planer, timber, masts, shot, etc.; or the bore of firearms, tubes, etc.; -- called also caliper compasses, or caliber compasses. Caliper square, a draughtsman's or mechanic's square, having a graduated bar and adjustable jaw or ja…

auses an apparent image of an external object or objects to appear as if projected upon a plane surface, as of paper or canvas, so that the outlines may conveniently traced. It is generally used with the microscope.

ide walls are inclined inward at the top, following the slope of the rafters, to meet the plane surface of the upper ceiling. -- Camp chair, a light chair that can be folded up compactly for easy transportation; the seat and back are often made of strips or pieces of carpet. -- Camp fever, typhus fever. -- Camp foll…

matter. Sir W. Hamilton. Cartesian coördinates (Geom), distance of a point from lines or planes; -- used in a system of representing geometric quantities, invented by Descartes. -- Cartesian devil, a small hollow glass figure, used in connection with a jar of water having an elastic top, to illustrate the effect of t…

rve, are tangents, the reflecting or refracting curve and the luminous point being in one plane. -- Caustic lime. See under Lime. -- Caustic potash, Caustic soda (Chem.), the solid hydroxides potash, KOH, and soda, NaOH, or solutions of the same. -- Caustic silver, nitrate of silver, lunar caustic. -- Caustic surfa…

A description of apparent spots on the disk of the sun, or on planets.

. Centripetal force (Mech.), a force whose direction is towards a center, as in case of a planet revolving round the sun, the center of the system, See Centrifugal force, under Centrifugal. -- Centripetal impression (Physiol.), an impression (sensory) transmitted by an afferent nerve from the exterior of the body inwa…

chart, a chart constructed on the principle of Mercator's projection. See Projection. -- Plane chart, a representation of some part of the superficies of the globe, in which its spherical form is disregarded, the meridians being drawn parallel to each other, and the parallels of latitude at equal distances. -- Seleno…

The chestnut tree. [Obs.] Wilwe, elm, plane, assch, box, chesteyn. Chaucer.