Apioid

apioid

[′ap·ē‚ȯid]
(physics)
A pear-shaped form taken by a rapidly revolving mass of liquid due to the force of gravity.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Apioid

 

a pear-shaped figure, one of the forms of equilibrium of a rotating fluid mass.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Breeding systems and the evolution of dioecy in New Zealand apioid Umbelliferae.
Molecular systematics of Old World Apioideae (Apiaceae): relationships among some members of tribe Peucedaneae sensu lato, the placement of several island-endemic species, and resolution within the apioid superclade.
The apioids experienced a massive diversification both within and outside of Africa, especially in the temperate regions.