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Equirotal :: Equirotal (a.) Having wheels of the same size or diameter; having equal rotation.

Calibre :: Calibre (n.) The diameter of round or cylindrical body, as of a bullet or column..

Isodiametric :: Isodiametric (a.) Having the several diameters nearly equal; -- said of the cells of ordinary parenchyma.

Upher :: Upher (n.) A fir pole of from four to seven inches diameter, and twenty to forty feet long, sometimes roughly hewn, used for scaffoldings, and sometimes for slight and common roofs, for which use it is split..

Discolith :: Discolith (n.) One of a species of coccoliths, having an oval discoidal body, with a thick strongly refracting rim, and a thinner central portion. One of them measures about / of an inch in its longest diameter..

Power :: Power (n.) The degree to which a lens, mirror, or any optical instrument, magnifies; in the telescope, and usually in the microscope, the number of times it multiplies, or augments, the apparent diameter of an object; sometimes, in microscopes, the number of times it multiplies the apparent surface..

Diameter :: Diameter (n.) The length of a straight line through the center of an object from side to side; width; thickness; as, the diameter of a tree or rock..

Micrometer :: Micrometer (n.) An instrument, used with a telescope or microscope, for measuring minute distances, or the apparent diameters of objects which subtend minute angles. The measurement given directly is that of the image of the object formed at the focus of the object glass..

Diametral :: Diametral (n.) A diameter.

Heliometry :: Heliometry (n.) The apart or practice of measuring the diameters of heavenly bodies, their relative distances, etc. See Heliometer..

Aperture :: Aperture (n.) The diameter of the exposed part of the object glass of a telescope or other optical instrument; as, a telescope of four-inch aperture..

Trunk :: Trunk (n.) A large pipe forming the piston rod of a steam engine, of sufficient diameter to allow one end of the connecting rod to be attached to the crank, and the other end to pass within the pipe directly to the piston, thus making the engine more compact..

Tower :: Tower (n.) A mass of building standing alone and insulated, usually higher than its diameter, but when of great size not always of that proportion..

Mercury :: Mercury (n.) One of the planets of the solar system, being the one nearest the sun, from which its mean distance is about 36,000,000 miles. Its period is 88 days, and its diameter 3,000 miles..

Fusee :: Fusee (n.) The cone or conical wheel of a watch or clock, designed to equalize the power of the mainspring by having the chain from the barrel which contains the spring wind in a spiral groove on the surface of the cone in such a manner that the diameter of the cone at the point where the chain acts may correspond with the degree of tension of the spring..

Moon :: Moon (n.) The celestial orb which revolves round the earth; the satellite of the earth; a secondary planet, whose light, borrowed from the sun, is reflected to the earth, and serves to dispel the darkness of night. The diameter of the moon is 2,160 miles, its mean distance from the earth is 240,000 miles, and its mass is one eightieth that of the earth. See Lunar month, under Month..

Spaghetti :: Spaghetti (n.) A variety or macaroni made in tubes of small diameter.

Revolution :: Revolution (n.) The motion of a point, line, or surface about a point or line as its center or axis, in such a manner that a moving point generates a curve, a moving line a surface (called a surface of revolution), and a moving surface a solid (called a solid of revolution); as, the revolution of a right-angled triangle about one of its sides generates a cone; the revolution of a semicircle about the diameter generates a sphere..

Mushroom-headed :: Mushroom-headed (a.) Having a cylindrical body with a convex head of larger diameter; having a head like that of a mushroom.

Measure :: Measure (v. i.) To be of a certain size or quantity, or to have a certain length, breadth, or thickness, or a certain capacity according to a standard measure; as, cloth measures three fourths of a yard; a tree measures three feet in diameter..

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