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Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
THESAURUS
ROGET THESAURUS

Ellipsoid

POS

Adjective, Noun

HYPHEN

el=lip=soid

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WORDNET DICTIONARY

Noun Ellipsoid has 1 sense

ellipsoid(n = noun.shape) Array - a surface whose plane sections are all ellipses or circles; "the Earth is an ellipsoid"

is a kind of

plane figure

two-dimensional figure

Derived forms adjective ellipsoid₁, adjective ellipsoidal₁

Adjective Ellipsoid has 1 sense

ellipsoid(s = adj.all) ellipsoidal, spheroidal - having the nature or shape of an ellipsoid; Array

Derived form noun ellipsoid₁

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CIDE DICTIONARY

Ellipsoid, n. [Ellipse + -oid: cf. F. ellipsoide.].

A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 (a). [1913 Webster]

" The ellipsoid has three principal plane sections, a, b, and c, each at right angles to the other two, and each dividing the solid into two equal and symmetrical parts. The lines of meeting of these principal sections are the axes, or principal diameters of the ellipsoid. The point where the three planes meet is the center." [1913 Webster]

Ellipsoid of revolution, a spheroid; a solid figure generated by the revolution of an ellipse about one of its axes. It is called a prolate spheroid, or prolatum, when the ellipse is revolved about the major axis, and an oblate spheroid, or oblatum, when it is revolved about the minor axis.

Ellipsoid, a.

Pertaining to, or shaped like, an ellipsoid; as, ellipsoid or ellipsoidal form.

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OXFORD DICTIONARY

Ellipsoid, n. a solid of which all the plane sections normal to one axis are circles and all the other plane sections are ellipses.

Derivative

ellipsoidal adj.

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THESAURUS

Ellipsoid

ball, balloon, bladder, blob, boll, bolus, bubble, bulb, bulbil, bulblet, geoid, globe, globelet, globoid, globule, glomerulus, gob, gobbet, knob, knot, oblate spheroid, orb, orbit, orblet, pellet, prolate spheroid, rondure, sphere, spheroid, spherule

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ROGET THESAURUS

Ellipsoid

Circularity

N circularity, roundness, rotundity, circle, circlet, ring, areola, hoop, roundlet, annulus, annulet, bracelet, armlet, ringlet, eye, loop, wheel, cycle, orb, orbit, rundle, zone, belt, cordon, band, contrate wheel, crown wheel, hub, nave, sash, girdle, cestus, cincture, baldric, fillet, fascia, wreath, garland, crown, corona, coronet, chaplet, snood, necklace, collar, noose, lasso, lassoo, ellipse, oval, ovule, ellipsoid, cycloid, epicycloid, epicycle, semicircle, quadrant, sextant, sector, sphere, round, rounded, circular, annular, orbicular, oval, ovate, elliptic, elliptical, egg-shaped, pear-shaped, cycloidal, spherical, I watched the little circles die.

Rotundity

N rotundity, roundness, cylindricity, sphericity, spheroidity, globosity, cylinder, cylindroid, cylindrical, barrel, drum, roll, roller, rouleau, column, rolling-pin, rundle, cone, conoid, pear shape, egg shape, bell shape, sphere, globe, ball, boulder, bowlder, spheroid, ellipsoid, oblong spheroid, oblate spheroid, prolate spheroid, drop, spherule, globule, vesicle, bulb, bullet, pellet, pelote, clew, pill, marble, pea, knob, pommel, horn, knot (convolution), curved surface, hypersphere, hyperdimensional surface, rotund, round, cylindric, cylindrical, cylindroid, columnar, lumbriciform, conic, conical, spherical, spheroidal, globular, globated, globous, globose, egg shaped, bell shaped, pear shaped, ovoid, oviform, gibbous, rixiform, campaniform, campanulate, campaniliform, fungiform, bead-like, moniliform, pyriform, bulbous, tres atque rotundus, round as an orange, round as an apple, round as a ball, round as a billiard ball, round as a cannon ball.

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