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A salt formed by the combination of ambreic acid with a base or positive radical.

Of or pertaining to walking; having the faculty of walking; formed or fitted for walking; as, an ambulatory animal.

A secret organization in the United States, formed in Iowa in 1887, ostensibly for the protection of American institutions by keeping Roman Catholics out of public office. Abbrev. commonly to A. P .A.

A compound formed by the union of amidogen with an acid element or radical. It may also be regarded as ammonia in which one or more hydrogen atoms have been replaced by an acid atom or radical. Acid amide, a neutral compound formed by the substitution of the amido group for hydroxyl in an acid.

Any fermentation process by which ammonia is formed, as that by which urea is converted into ammonium carbonate when urine is exposed to the air.

The achromatic figure, formed in mitotic cell-division, consisting of two asters connected by a spindle-shaped bundle of rodlike fibers diverging from each aster, and called the spindle.

A salt of the class formed by the combination of an acid and a base, or by the union of two oxides, two sulphides, selenides, or tellurides, as distinguished from a haloid compound. [R.] Berzelius.

One of a series of substances formed, in secreting cells, by constructive or anabolic processes, in the production of protoplasm; -- opposed to katastate. Foster.

enriched angle bead, often having a capital or base, or both. -- Curvilineal angle, one formed by two curved lines. -- External angles, angles formed by the sides of any right-lined figure, when the sides are produced or lengthened. -- Facial angle. See under Facial. -- Internal angles, those which are within any…

of forming an acid by uniting with the elements of water; -- so called because it may be formed from an acid by the abstraction of water.

Pertaining to, or obtained from, anil; indigotic; -- applied to an acid formed by the action of nitric acid on indigo. [R.]

The process used to render glass, iron, etc., less brittle, performed by allowing them to cool very gradually from a high heat.

A division of the Articulata, having the body formed of numerous rings or annular segments, and without jointed legs. The principal subdivisions are the Chætopoda, including the Oligochæta or earthworms and Polychæta or marine worms; and the Hirudinea or leeches. See Chætopoda.

Performed or accomplished in a year; reckoned by the year; as, the annual motion of the earth. A thousand pound a year, annual support. Shak.

The solid formed by a circle revolving around a line which is the plane of the circle but does not cut it.

Transformed from anthers, as the petals of a double flower.

grape, melon, cotton, and other plants. In the case of the grape, brown concave spots are formed on the stem and fruit, and the disease is called bird's-eye rot.

A body formed from albumin by pancreatic and gastric digestion. It is convertible into antipeptone.

An antimask. [Obs. or R.] Performed by knights and ladies of his court In nature of an antic. Ford.

Tending to prevent the formation of urinary calculi, or to destroy them when formed. -- n.