Search the Dictionary

Forming a narrow ridge.

An openwork frame, as of poles, filled with stones and sunk, to assist in forming a bar dyke, etc., as in harbor improvement.

tography. It is usually prepared from tannin, and both give a dark color with iron salts, forming tannate and gallate of iron, which are the essential ingredients of common black ink.

signates esp. the similar sex cells of the lower thallophytes which unite by conjugation, forming a zygospore. The gametes of higher plants are of two sorts, sperm (male) and egg (female); their union is called fertilization, and the resulting zygote an oöspore. In Zoöl., gamete is most commonly used of the sexual cell…

a gangue. Gang board, or Gang plank. (Naut.) (a) A board or plank, with cleats for steps, forming a bridge by which to enter or leave a vessel. (b) A plank within or without the bulwarks of a vessel's waist, for the sentinel to walk on. -- Gang cask, a small cask in which to bring water aboard ships or in which it is…

A mass or knot of nervous matter, including nerve cells, usually forming an enlargement in the course of a nerve.

in color and in their constituents, but with the same crystallization (isometric), and conforming to the same general chemical formula. The commonest color is red, the luster is vitreous, and the hardness greater than that of quartz. The dodecahedron and trapezohedron are the common forms.

Having the structure, or performing the functions, both of digestive and circulatory organs; as, the gastrovascular cavity of coelenterates.

An apparatus for performing a special function; gearing; as, the feed gear of a lathe.

s, ligaments, etc.). Its distinguishing character is that of dissolving in hot water, and forming a jelly on cooling. It is an important ingredient of calf's-foot jelly, isinglass, glue, etc. It is used as food, but its nutritious qualities are of a low order.

llectual power; especially, superior power of invention or origination of any kind, or of forming new combinations; as, a man of genius. Genius of the highest kind implies an unusual intensity of the modifyng power. Coleridge.

The radiating, gill-shaped plates forming the under surface of a mushroom.

a on the fins, and a bony skeleton, with the vertebræ convex in front and concave behind, forming a ball and socket joint. See Ganoidel.

The chambered sporogenous tissue forming the central mass of the sporophore in puff balls, stinkhorns, etc.

The act of forming or gathering into a ball or round mass; the state of being gathered into a ball; conglomeration.

A nitrogenous substance, forming a heavy, sandy powder, white or nearly so. It is a derivative of pyridine.

ite, crystalline, organic base, 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.

One of a pair of broad plates, developed from the outer maxillipeds of crabs, and forming a cover for the other mouth organs.

whether of chain mail or of plate, defending the throat and upper part of the breast, and forming a part of the double breastplate of the 14th century.

Decomposed rock, usually reddish or ferruginous (owing to oxidized pyrites), forming the upper part of a metallic vein.