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e intervals. -- Open hawse (Naut.), a hawse in which the cables are parallel or slightly divergent. Cf. Foul hawse, under Hawse. -- Open hearth (Metal.), the shallow hearth of a reverberatory furnace. -- Open-hearth furnace, a reverberatory furnace; esp., a kind of reverberatory furnace in which the fuel is gas, use…

In embryonic development, a vesicle filled with fluid, formed from the morula by the divergence of its cells in such a manner as to give rise to a central space, around which the cells arrange themselves as an envelope; an embryonic form intermediate between the morula and gastrula. Sometimes used as synonymous with ga…

In a radiate manner; with radiation or divergence from a center.

A division of gastropod mollusks having a large number of long, divergent, hooklike, lingual teeth in each transverse row. It includes the scutibranchs. See Illustration in Appendix.

lope bezoartica, or cervicapra), noted for its beauty and swiftness. It has long, spiral, divergent horns.

A large African antelope (Alcejaphus tora). It has widely divergent, strongly ringed horns.

ers interwoven and soldered together so as to form a firm network, and has long, slender, divergent anchoring fibers at the base by means of which it stands erect in the soft mud at the bottom of the sea. Called also Venus's flower basket, and Venus's purse. -- Venus's comb. (a) (Bot.) Same as Lady's comb. (b) (Zoöl.)…

The reciprocal of the focal distance of a lens, used as measure of the divergence or convergence of a pencil of rays. [R.] Humphrey Lloyd.

equal to zero. -- Virtual focus (Opt.), the point from which rays, having been rendered divergent by reflection of refraction, appear to issue; the point at which converging rays would meet if not reflected or refracted before they reach it. -- Virtual image. (Optics) See under Image. -- Virtual moment (of a force)…

Parallel lines that are made to appear convergent or divergent by means of oblique intersections.