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Prolate :: Prolate (a.) Stretched out; extended; especially, elongated in the direction of a line joining the poles; as, a prolate spheroid; -- opposed to oblate..

Orbiculated :: Orbiculated (a.) Made, or being, in the form of an orb; having a circular, or nearly circular, or a spheroidal, outline..

#NAME? :: -oid () A suffix or combining form meaning like, resembling, in the form of; as in anthropoid, asteroid, spheroid..

Spheroidal :: Spheroidal (a.) Having the form of a spheroid.

Oblongum :: Oblongum (n.) A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis. Cf. Oblatum, and see Ellipsoid of revolution, under Ellipsoid..

Oblatum :: Oblatum (n.) An oblate spheroid; a figure described by the revolution of an ellipse about its minor axis. Cf. Oblongum.

Spherosiderite :: Spherosiderite (n.) Siderite occuring in spheroidal masses.

Spheroid :: Spheroid (n.) A body or figure approaching to a sphere, but not perfectly spherical; esp., a solid generated by the revolution of an ellipse about one of its axes..

Echinoidea :: Echinoidea (n. pl.) The class Echinodermata which includes the sea urchins. They have a calcareous, usually more or less spheroidal or disk-shaped, composed of many united plates, and covered with movable spines. See Spatangoid, Clypeastroid..

Spheroidity :: Spheroidity (n.) The quality or state of being spheroidal.

Botryoidal :: Botryoidal (a.) Having the form of a bunch of grapes; like a cluster of grapes, as a mineral presenting an aggregation of small spherical or spheroidal prominences..

Hemispheroid :: Hemispheroid (n.) A half of a spheroid.

Hemispheroidal :: Hemispheroidal (a.) Resembling, or approximating to, a hemisphere in form..

Nucleus :: Nucleus (n.) A body, usually spheroidal, in a cell or a protozoan, distinguished from the surrounding protoplasm by a difference in refrangibility and in behavior towards chemical reagents. It is more or less protoplasmic, and consists of a clear fluid (achromatin) through which extends a network of fibers (chromatin) in which may be suspended a second rounded body, the nucleolus (see Nucleoplasm). See Cell division, under Division..

Oblate :: Oblate (a.) Flattened or depressed at the poles; as, the earth is an oblate spheroid..

Quadric :: Quadric (n.) A surface whose equation in three variables is of the second degree. Spheres, spheroids, ellipsoids, paraboloids, hyperboloids, also cones and cylinders with circular bases, are quadrics..

Spheroidical :: Spheroidical (a.) See Spheroidal.

Spheroidic :: Spheroidic (a.) Alt. of Spheroidica.

Dumb-bell :: Dumb-bell (n.) A weight, consisting of two spheres or spheroids, connected by a short bar for a handle; used (often in pairs) for gymnastic exercise..

Ellipticity :: Ellipticity (n.) Deviation of an ellipse or a spheroid from the form of a circle or 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 /..

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