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, figure drawings, etc., found on the walls of ancient sepulchers or ruins, as in the Catacombs, or at Pompeii.

fround single-cut file or fioat, having one curved face and one straight face, -- used by comb makers. Knight.

oss. See Illust. (10) Of Cross. -- Greek Empire. See Byzantine Empire. -- Greek fire, a combustible composition which burns under water, the constituents of which are supposed to be asphalt, with niter and sulphur. Ure. -- Greek rose, the flower campion.

To form a group of; to arrange or combine in a group or in groups, often with reference to mutual relation and the best effect; to form an assemblage of. The difficulty lies in drawing and disposing, or, as the painters term it, in grouping such a multitude of different objects. Prior. Grouped columns (Arch.), three or…

A strongly alkaline base, CN3H5, formed by the oxidation of guanin, and also obtained combined with methyl in the decomposition of creatin. Boiled with dilute sulphuric acid, it yields urea and ammonia.

A combining form denoting relation to the throat; as, gutturo- nasal, having both a guttural and a nasal character; gutturo-palatal.

A comb for dressing flax, raw silk, etc.; a hatchel.

Combining forms indicating relation or resemblance to blood, association with blood; as, hæmapod, hæmatogenesis, hæmoscope.

An electro-negative element or radical, which, by combination with a metal, forms a haloid salt; especially, chlorine, bromine, and iodine; sometimes, also, fluorine and cyanogen. See Chlorine family, under Chlorine.

perpendicularly upon a fixed diameter of the circle. This is simple harmonic motion. The combinations, in any way, of two more simple harmonic motions, make other kinds of harmonic motion. The motion of the pendulum bob of a clock is approximately simple harmonic motion. -- Harmonic proportion. See under Proportion.…

The just adaptation of parts to each other, in any system or combination of things, or in things, or things intended to form a connected whole; such an agreement between the different parts of a design or composition as to produce unity of effect; as, the harmony of the universe.

a board, for cleansing flax or hemp from the tow, hards, or coarse part; a kind of large comb; -- called also hackle and heckle.

birds the males very often appear in a most beautiful headdress, whether it be a crest, a comb, a tuft of feathers, or a natural little plume. Addison.

vaporation, and which, as manifested in fire, the sun's rays, mechanical action, chemical combination, etc., becomes directly known to us through the sense of feeling. In its nature heat is a mode if motion, being in general a form of molecular disturbance or vibration. It was formerly supposed to be a subtile, imponde…

rface (Steam Boilers), the aggregate surface exposed to fire or to the heated products of combustion, esp. of all the plates or sheets that are exposed to water on their opposite surfaces; -- called also fire surface.

A combining form from Gr. "h`lios the sun.

A judge or umpire in games or combats.

hematin and globulin, and is also called hæmatoglobulin. In arterial blood, it is always combined with oxygen, and is then called oxyhemoglobin. It crystallizes under different forms from different animals, and when crystallized, is called hæmatocrystallin. See Blood crystal, under Blood.

A combining form from Gr. "epta`, seven.

An atom which has a valence of seven, and which can be theoretically combined with, substituted for, or replaced by, seven monad atoms or radicals; as, iodine is a heptad in iodic acid. Also used as an adjective.