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A salt of a diamino phenol, C6H3(OH)(NH2)2, used as a developer.

Of or pertaining to ammonia, or possessing its properties; as, an ammoniac salt; ammoniacal gas. Ammoniacal engine, an engine in which the vapor of ammonia is used as the motive force. -- Sal ammoniac Etym: [L. sal ammoniacus], the salt usually called chloride of ammonium, and formerly muriate of ammonia.…

utili in having the margins of the septa very much lobed or plaited, and the siphuncle dorsal. Also called serpent stone, snake stone, and cornu Ammonis.

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.

An element that in combination produces amphid salt; -- applied by Berzelius to oxygen, sulphur, selenium, and tellurium. [R.]

A numerous group of fourteen -- footed Crustacea, inhabiting both fresh and salt water. The body is usually compressed laterally, and the anterior pairs or legs are directed downward and forward, but the posterior legs are usually turned upward and backward. The beach flea is an example. See Tetradecapoda and Arthrostr…

A name applied to the elasmobranch fishes, because the nasal sac is double.

A kind of annelid larva having both a dorsal and a ventral circle of special cilia.

A salt amygdalic acid.

A variety of trap or basaltic rock, containing small cavities, occupied, wholly or in part, by nodules or geodes of different minerals, esp. agates, quartz, calcite, and the zeolites. When the imbedded minerals are detached or removed by decomposition, it is porous, like lava.

Ascending rivers from the sea, at certain seasons, for breeding, as the salmon, shad, etc.

Saltpeter. Coxe. Johnson.

Destitute of water; as, anhydrous salts or acids.

ly course Holland. This revelation . . . was answerable to that of the apostle to the Thessalonians. Milton.

s of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.

Formerly, a hymn sung in alternate parts, in present usage, a selection from the Psalms, or other parts of the Scriptures or the liturgy, set to sacred music.

e directions, as from the ridge of a roof. -- Anticlinal vertebra (Anat.), one of the dorsal vertebræ, which in many animals has an upright spine toward which the spines of the neighboring vertebræ are inclined.

Certain books of the New Testament which were for a time not universally received, but which are now considered canonical. These are the Epistle to the Hebrews, the Epistles of James and Jude, the second Epistle of Peter, the second and third Epistles of John, and the Revelation. The undisputed books are called the Hom…

pensation, the moral law is of no use or obligation, but that faith alone is necessary to salvation. The sect of Antinomians originated with John Agricola, in Germany, about the year 1535. Mosheim.

oclamation of liberty granted to the city of Antioch, about the time of the battle of Pharsalia, B.C. 48.