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Pertaining to acnodes.

An isolated point not upon a curve, but whose coördinates satisfy the equation of the curve so that it is considered as belonging to the curve.

Curved somewhat in the form of the letter S. Cussans.

The positive pole of an electric battery, or more strictly the electrode by which the current enters the electrolyte on its way to the other pole; -- opposed to cathode.

A genus of fresh-water bivalves, having to teeth at the hinge. [Written also Anodonta.]

Serving to assuage pain; soothing. The anodyne draught of oblivion. Burke.

Anodyne.

A division of the herbivorous mammals including the hogs and hippopotami; -- so called because the teeth are tuberculated.

A weed with a sterm of many joints (Illecebrum verticillatum); also, the Polygonum aviculare or knotgrass.

That diagonal or lateral axis in a monoclinic crystal which makes an oblique angle witch the vertical axis. See Crystallization. -- a.

See under Dome.

A peculiar toothlike fossil of many forms, found especially in carboniferous rocks. Such fossils are supposed by some to be the teeth of marsipobranch fishes, but they are probably the jaws of annelids.

Possessing, or characterized by, a crunode; -- used of curves.

A point where one branch of a curve crosses another branch. See Double point, under Double, a.

One of the Cyprinodontidae, a family of fishes including the killifishes or minnows. See Minnow.

nct reptiles having the jaws armed with a horny beak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India.

One of the Echinodermata.

Relating or belonging to the echinoderms.

nimal kingdom. By many writers it was formerly included in the Radiata. [Written also Echinoderma.]

Relating to Echinodermata; echinodermal.