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A group of annelids, so called because the species composing it have no special organs of respiration.

leaves of the acanthus (Acanthus spinosus); -- used in the capitals of the Corinthian and Composite orders.

To bring into agreement or harmony; to reconcile; to compose; to adjust; to settle; as, to accommodate differences, a dispute, etc.

To perform an accompanying part or parts in a composition.

To bring to an agreement, as persons; to reconcile; to settle, adjust, harmonize, or compose, as things; as, to accord suits or controversies. When they were accorded from the fray. Spenser. All which particulars, being confessedly knotty and difficult can never be accorded but by a competent stock of critical learning…

A compound of aniline with acetyl, used to allay fever or pain; -- called also antifebrine.

A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.

A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. W…

Free from color; transmitting light without decomposing it into its primary colors.

One of a class of compounds, generally but not always distinguished by their sour taste, solubility in water, and reddening of vegetable blue or violet colors. They are also characterized by the power of destroying the distinctive properties of alkalies or bases, combining with them to form salts, at the same time losi…

A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.

One of the granular masses which constitute a racemose or compound gland, as the pancreas; also, one of the saccular recesses in the lobules of a racemose gland. Quain.

Threadlike defensive organs, composed largely of nettling cells (cnidæ), thrown out of the mouth or special pores of certain Actiniæ when irritated.

Possessing acres or landed property; -- used in composition; as, large-acred men.

A composition, usually in verse, in which the first or the last letters of the lines, or certain other letters, taken in order, form a name, word, phrase, or motto.

, said by Phipson to be contained in commercial zinc; -- so called because certain of its compounds are darkened by exposure to light.

One of the radial segments composing the body of one of the Coelenterata.

series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events.

A "brotherhood," or collection of stamens in a bundle; -- used in composition, as in the class names, Monadelphia, Diadelphia, etc.

coalescent or clustered filaments; -- said of stamens; as, adelphous stamens. Usually in composition; as, monadelphous. Gray.