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One of the subclasses of fishes. They have an arterial cone and bulb, spiral intestinal valve, and the optic nerves united by a chiasma. Many of the species are covered with bony plates, or with ganoid scales; others have cycloid scales.

One of the classes of Mollusca, of great extent. It includes most of the marine spiral shells, and the land and fresh-water snails. They generally creep by means of a flat, muscular disk, or foot, on the ventral side of the body. The head usually bears one or two pairs of tentacles. See Mollusca. [Written also Gasterop…

r flexure of a considerable portion of the earth's crust, resulting in the formation of a class of mountain elevations called anticlinoria; -- opposed to geosynclinal.

A classification of nouns, primarily according to sex; and secondarily according to some fancied or imputed quality associated with sex. Gender is a grammatical distinction and applies to words only. Sex is natural distinction and applies to living objects. R. Morris.

Relating to a genus or kind; pertaining to a whole class or order; as, a general law of animal or vegetable economy.

process of generalizing; the act of bringing individuals or particulars under a genus or class; deduction of a general principle from particulars. Generalization is only the apprehension of the one in the many. Sir W. Hamilton.

To apply to other genera or classes; to use with a more extensive application; to extend so as to include all special cases; to make universal in application, as a formula or rule. When a fact is generalized, our discontent is quited, and we consider the generality itself as tantamount to an explanation. Sir W. Hamilto…

Very comprehensive; pertaining or appropriate to large classes or their characteristics; -- opposed to Ant: specific.

With regard to a genus, or an extensive class; as, an animal generically distinct from another, or two animals or plants generically allied.

The class in society who are, or are expected to be, genteel; the gentry. [R.] Sir J. Davies.

A class of objects divided into several subordinate species; a class more extensive than a species; a precisely defined and exactly divided class; one of the five predicable conceptions, or sorts of terms.

rganism appears. In the entire process in which a new being originates . . . two distinct classes of action participate; namely, the act of generation by which the germ is produced; and the act of development, by which that germ is evolved into the complete organism. Carpenter.

Bell and others), the vanish (or brief final element) or the brief initial element, in a class of diphthongal vowels, or the brief final or initial part of some consonants (see Guide to Pronunciation, §§ 18, 97, 191).

Any one of a large class of sugars, isometric with glucose proper, and including levulose, galactose, etc.

Any one of the large class of diacid alcohols, of which glycol proper is the type.

One of a class of carbohydrates having from three to nine atoms of carbon in the molecules and having the constitution either of an aldehyde alcohol or of a ketone alcohol. Most glycoses have hydrogen and oxygen present in the proportion to form water, while the number of carbon atoms is usually equal to the number of…

, C3H4N2, produced by the action of ammonia on glyoxal, and forming the origin of a large class of derivatives hence, any one of the series of which glyoxaline is a type; -- called also oxaline.

enous substance, produced by the action of hydroxylamine on glyoxal, and belonging to the class of oximes; also, any one of a group of substances resembling glyoxime proper, and of which it is a type. See Oxime.

and iron ages. Dryden. (b) (Roman Literature) The best part (B. C. 81 -- A. D. 14) of the classical period of Latinity; the time when Cicero, Cæsar, Virgil, etc., wrote. Hence: (c) That period in the history of a literature, etc., when it flourishes in its greatest purity or attains its greatest glory; as, the Elizabet…

A French girl or young married woman of the lower class; more frequently, a young working woman who is fond of gallantry. Sterne.