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Of or pertaining to the equator; as, equatorial climates; also, pertaining to an equatorial instrument.

So as to have motion or direction parallel to the equator.

of the nature of, or resembling, an axis; around an axis. To take on an axial, and not an equatorial, direction. Nichol.

A member of one of the great family of Negroid tribes occupying equatorial and southern Africa. These tribes include, as important divisions, the Kafirs, Damaras, Bechuanas, and many tribes whose names begin with Aba-, Ama-, Ba-, Ma-, Wa-, variants of the Bantu plural personal prefix Aba-, as in Ba-ntu, or Aba-ntu, its…

a sphere; especially, in reference to the figure of the earth, the difference between the equatorial and polar semidiameters, divided by the equatorial; thus, the ellipticity of the earth is

les, and dividing the equator into spaces of 15º, or one hour, each. (b) A circle upon an equatorial telescope lying parallel to the plane of the earth's equator, and graduated in hours and subdivisions of hours of right ascension. (c) A small brass circle attached to the north pole of an artificial globe, and divided…

A branch of the equatorial current of the Pacific, washing the eastern coast of Formosa and thence flowing northeastward past Japan and merging into the easterly drift of the North Pacific; -- called also Kuro-Siwo, or Black Stream, in allusion to the deep blue of its water. It is similar in may ways to the Gulf Stream…

lination, and intensity. (c) See under Element. -- Magnetic equator, the line around the equatorial parts of the earth at which there is no dip, the dipping needle being horizontal. -- Magnetic field, or Field of magnetic force, any space through which magnet exerts its influence. -- Magnetic fluid, the hypothetical…

ass, it is called a divided-object-glass micrometer, and when the instrument is large and equatorially mounted, it is known as a heliometer. -- Double refraction micrometer, a species of double image micrometer, in which the two images are formed by the double refraction of rock crystal. -- Filar, or Bifilar, microme…

point; as, polar coördinates. Polar axis, that axis of an astronomical instrument, as an equatorial, which is parallel to the earths axis. -- Polar bear (Zoöl.), a large bear (Ursus, or Thalarctos, maritimus) inhabiting the arctic regions. It sometimes measures nearly nine feet in length and weighs 1,600 pounds. It i…

A portion of the southern equatorial current flowing westward from the Fiji Islands to New Guinea.

ing, as a wheel; rotary; rotational. This high rotative velocity of the sun must cause an equatorial rise of the solar atmosphere. Siemens. Rotative engine, a steam engine in which the reciprocating motion of the piston is transformed into a continuous rotary motion, as by means of a connecting rod, a working beam and…