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Related to prolate: Prolate ellipsoid, Spheroids


1. Having the shape of a spheroid generated by rotating an ellipse about its longer axis.
2. Having the distance between the poles longer than the equatorial diameter: a prolate spheroid.

[Latin prōlātus, past participle of prōferre, to stretch out : prō-, forth; see pro-1 + lātus, brought; see telə- in Indo-European roots.]

pro′late′ly adv.
pro′late′ness n.


(Mathematics) having a polar diameter of greater length than the equatorial diameter. Compare oblate1
[C17: from Latin prōferre to enlarge]
ˈprolately adv
ˈprolateness n


(ˈproʊ leɪt)

elongated oblate1 along the polar diameter, as a spheroid generated by the revolution of an ellipse about its longer axis (opposed to oblate).
[1685–95; < Latin prōlātus, past participle of prōferre to bring forward, extend; see pro-1, oblate1]
pro′late•ly, adv.
oblate, prolate - Oblate means "flattened at the poles," and the opposite is prolate; the Earth is an oblate spheroid.
See also related terms for poles.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.prolate - having the polar diameter greater than the equatorial diameter; "a prolate spheroid is generated by revolving an ellipse about its major axis"
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
oblate, pumpkin-shaped - having the equatorial diameter greater than the polar diameter; being flattened at the poles
2.prolate - rounded like an egg
rounded - curving and somewhat round in shape rather than jagged; "low rounded hills"; "rounded shoulders"
References in classic literature ?
A few stars now had pierced the blue, and in the east there shone brightly a prolate moon.
It certainly defies any common sense, to continue to put my emotional neck out for something that will, invariably, make me want to tear my hair out, to spend countless Sunday hours watching grown men try to move a prolate spheroid past a certain line in the hopes that it will give mesomething.
Among full papers are actinide targets for the synthesis of superheavy nuclei: current priorities and future opportunities, the spontaneous fission of superheavy nuclei, odd features of some odd-odd prolate spheroidal nuclei, a microscopic theory of fission, and a free-neutron target for nuclear reaction studies.
The volume of the uterus was calculated with the formula for a prolate ellipse (L x W x D x 0.
Properly called prolate rotators, these galaxies are likened to spindles not just for their shape but also for the fact that they spin along their lengths.
The precision surveying for this project verified earlier work showing that Earth is an oblate spheroid--slightly wider across the equator than from pole to pole--rather than a prolate spheroid as some had argued.
The shape varies from prolate spheroidal, subprolate to prolate.
The Zenlens scleral lenses are available in diameters of 16mm and 17mm, prolate and oblate designs, and are accompanied by a 28 lens diagnostic set, B+L confirmed.
1]) grouped into form categories (A: sphere; B1: cylinder+ ellipsoid+ cones; B2: half sphere; C; prolate sphere; D: cylinder; E: double cone; E1: truncated double cone; F: rectangular box; H: prism on parallelogram).
We used BugRun to estimate prey volume (using the equation of a prolate spheroid) as well as niche breadth on prey number and volume (Vitt and Zani, 2005).
The pollen shape of Cornaceae changes between spheroidal and prolate (Erdtman, 1952; Stafford and Heath, 1991; Perveen and Qaiser, 2002), and its aperture type is tricolporate (Chao, 1954; Wodehouse, 1959).
In Colombia, pollen grains of Magnoliaceae have been described as monocolpate, prolate and subprolate.