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imp. & p. p. of Toss.

Quick; rapid. Pui tosto ( Etym: [It.] (Mus.), faster; more rapid.

Automatic stability; also, inherent stability. An aëroplane is inherently stable if it keeps in steady poise by virtue of its shape and proportions alone; it is automatically stable if it keeps in steady poise by means of self-operative mechanism.

Having the mandibular arch articulated directly to the cranium, as in the skulls of the Amphibia.

In certain hydroids, an imperfect zooid, whose special function is to produce medusoid buds. See Hydroidea, and Athecata.

A circular projecting portion.

Of or pertaining to ectostosis; as, ectosteal ossification.

A process of bone formation in which ossification takes place in the perichondrium and either surrounds or gradually replaces the cartilage.

See Entoplastron. -- En`to*ster"nal, a.

The granule within the nucleolus or entoblast of a nucleated cell. Agassiz.

A measure of solidity, containing one hundred cubic meters, and equivalent to 3531.66 English or 3531.05 United States cubic feet.

An order of Crustacea, including Nebalia and allied forms.

The postero-lateral ossification in the sternum of birds; also, the part resulting from such ossification.

That portion of the axis which bears the nectocalyces in the Siphonophora.

In eight vertical ranks, as leaves on a stem.

Having eight columns in the front; -- said of a temple or portico. The Parthenon is octostyle, but most large Greek temples are hexastele. See Hexastyle. -- n.

Having toothlike mandibles; -- applied to certain insects.

An auditory ossicle. R. Owen.

A degenerate order of Crustacea, including the Rhizocephala and Cirripedia.

Furnished with beams, as the head of a stag. Tost his beamed frontlet to the sky. Sir W. Scott.