Search the Dictionary

Hard; firm; indurated; -- applied especially in anatomy to the firm outer coat of the eyeball, which is often cartilaginous and sometimes bony.

s, rings, or joints into which many animal bodies are divided; a somite; a metamere; a somatome. Segment gear, a piece for receiving or communicating reciprocating motion from or to a cogwheel, consisting of a sector of a circular gear, or ring, having cogs on the periphery, or face. -- Segment of a line, the part of…

variation in electric conductivity, and is used in certain electric apparatus. Symbol Se. Atomic weight 78.9.

Made up of parts, as molecules or atoms, which mutually repel each other; as, gases are self-repelling.

A combining form (also used adjectively) denoting that three atoms or equivalents of the substance to the name of which it is prefixed are combined with two of some other element or radical; as, sesquibromide, sesquicarbonate, sesquichloride, sesquioxide.

An oxide containing three atoms of oxygen with two atoms (or radicals) of some other substance; thus, alumina, Al2O3 is a sesquioxide.

A sulphide, analogous to a sesquioxide, containing three atoms of sulphur to two of the other ingredient; -- formerly called also sesquisulphuret; as, orpiment, As2S3 is arsenic sesquisulphide.

e natural world, should gravity once cease, . . . would instantly shiver into millions of atoms. Woodward.

tically the element of the mineral kingdom, as carbon is of the organic world. Symbol Si. Atomic weight 28. Called also silicium.

is used for coin, jewelry, plate, and a great variety of articles. Symbol Ag (Argentum). Atomic weight 107.7. Specific gravity 10.5.

ed into anything more simple or ultimate by any means at present known; elementary; thus, atoms are regarded as simple bodies. Cf. Ultimate, a.

That part of anatomy which treats of the skeleton; also, a treatise on the skeleton.

Fragments; atoms; finders. [Prov. Eng.] Smash the bottle to smithers. Tennyson.

Fragments; atoms; smithers. [Colloq.] W. Black.

als (as magnesium and aluminium) is an important commercial product. Symbol Na (Natrium). Atomic weight 23. Specific gravity 0.97. Sodium amalgam, an alloy of sodium and mercury, usually produced as a gray metallic crystalline substance, which is used as a reducing agent, and otherwise. -- Sodium bicarbonate, a white…

Impenetrable; resisting or excluding any other material particle or atom from any given portion of space; -- applied to the supposed ultimate particles of matter.

c centimeter as many milligrams of the element in question as the number representing its atomic weight; thus, a normal solution of silver nitrate would contain 107.7 mgr. of silver nitrate in each cubic centimeter.

A treatise on the human body; anatomy. Dunglison.

eal serial segments of which an animal, esp. an articulate or vertebrate, is composed; somatome; metamere. -- So*mit`ic, a.

A combining form used in anatomy to indicate connection with, or relation to, the sphenoid bone; as in sphenomaxillary, sphenopalatine.