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Not agreeing with some artificial system of classification.

An artificial group of stony corals including those which have transverse septa in the calicles. The genera Pocillopora and Favosites are examples.

A plug introduced into a natural or artificial cavity of the body in order to arrest hemorrhage, or for the application of medicine.

bscissas, or a radius of a circle produced. See Trigonometrical function, under Function. Artificial, or Logarithmic, tangent, the logarithm of the natural tangent of an arc. -- Natural tangent, a decimal expressing the length of the tangent of an arc, the radius being reckoned unity. -- Tangent galvanometer (Elec.),…

A large basin or cistern; an artificial receptacle for liquids. Tank engine, a locomotive which carries the water and fuel it requires, thus dispensing with a tender. -- Tank iron, plate iron thinner than boiler plate, and thicker than sheet iron or stovepipe iron. -- Tank worm (Zoöl.), a small nematoid worm found in…

An artificial dyestuff obtained as an orange-yellow powder, and regarded as a phenyl hydrazine derivative of tartaric and sulphonic acids.

he actual practicable scale of twelve tones to the octave. This scale, although in so far artificial, is yet closely suggestive of its origin in nature, and this system of tuning, although not mathematically true, yet satisfies the ear, while it has the convenience that the same twelve fixed tones answer for every key…

An artificial group of passerine birds having slender bills, as the humming birds.

An artificial alkaloid of the quinoline series, obtained as a white crystalline substance, C10H13NO, whose salts are valuable as antipyretics; -- so called from the green color produced in its solution by certain oxidizing agents.

scenic representations; resembling the manner of dramatic performers; histrionic; hence, artificial; as, theatrical performances; theatrical gestures. -- The*at`ri*cal"i*ty, n. -- The*at"ric*al*ly, adv. No meretricious aid whatever has been called in -- no trick, no illusion of the eye, nothing theatrical. R. Jeffer…

An alkaloidal ureide, C7H8N4O2, homologous with and resembling caffeine, produced artificially, and also extracted from cacao and chocolate (from Theobroma Cacao) as a bitter white crystalline substance; -- called also dimethyl xanthine.

An artificial alkaloid of complex composition, resembling thalline and used as an antipyretic, -- whence its name.

An artificial red or violet dyestuff consisting of a complex sulphur derivative of certain aromatic diamines, and obtained as a dark crystalline powder; -- called also phenylene violet.

A red or violet dyestuff having a greenish metallic luster. It is produced artificially, by the chemical dehydration of thionine, as a brown amorphous powder.

hydrocarbon, C14H10, related both to the acetylene and the aromatic series, and produced artificially as a white crystalline substance; -- called also diphenyl acetylene.

A whining style of speaking; a kind of mournful or artificial strain of voice; an affected speaking with a measured rhythm ahd a regular rise and fall of the voice; as, children often read with a tone.

A little tuft; a curl or artificial lock of hair.

An extensive artificial group of gastropods comprising all those which have a spiral shell and the foot attached to the base of the neck.

n thin cloth or glass, or impressed on porcelain, or the like, to be viewed by natural or artificial light, which shines through it. Fairholt.

ribasic organic acid, C3H5.(CO2H)3 occurring naturally in unripe beet roots, and produced artificially from glycerin as a white crystalline substance.