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Webster 1913 Edition

Oblongum

‖

Ob-lon′gum

,

Noun.

;

pl.

Oblonga

(#)

.

[NL. See

.]

(Geom.)

A prolate spheroid; a figure described by the revolution of an ellipse about its greater axis. Cf.

, and see

Ellipsoid of revolution

, under

.