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Descending far below the surface; opening or reaching to a great depth; deep. "A gulf profound." Milton.

he inner plate of the pterygoid process of the human skull, but which, in all vertebrates below mammals, is not connected with the posterior nares, but serves to connect the palatine bones with the point of suspension of the lower jaw. -- Pterygoid process (Anat.), a process projecting downward from either side of the…

bone (Anat.), a bone between the base of the lower jaw and the skull in most vertebrates below the mammals. In reptiles and birds it articulates the lower jaw with the skull; in mammals it is represented by the malleus or incus.

Having trunnions the axes of which lie below the bore; -- said of a cannon.

Same as Rabbet joint, below.

e path, generally circular or elliptical, over which a race is run. (b) Same as Race way, below. -- Race cup, a cup given as a prize to the victor in a race. -- Race glass, a kind of field glass. -- Race horse. (a) A horse that runs in competition; specifically, a horse bred or kept for running races. (b) A breed of…

Of or pertaining to a radix or root; as, a radical quantity; a radical sign. See below. Radical axis of two circles. (Geom.) See under Axis. -- Radical pitch, the pitch or tone with which the utterance of a syllable begins. Rush. -- Radical quantity (Alg.), a quantity to which the radical sign is prefixed; specifical…

rch. (a) An arch which has one abutment higher than the other. (b) Same as Rampant vault, below. -- Rampant gardant (Her.), rampant, but with the face turned to the front. -- Rampant regardant, rampant, but looking backward. -- Rampant vault (Arch.), a continuous wagon vault, or cradle vault, whose two abutments are…

See Range of cable, below. Range of accommodation (Optics), the distance between the near point and the far point of distinct vision, -- usually measured and designated by the strength of the lens which if added to the refracting media of the eye would cause the rays from the near point to appear as if they came from t…

A mechanism composed of a ratchet wheel, or ratch, and pawl. See Ratchet wheel, below, and 2d Ratch. Ratchet brace (Mech.), a boring brace, having a ratchet wheel and pawl for rotating the tool by back and forth movements of the brace handle. -- Ratchet drill, a portable machine for working a drill by hand, consisting…

ented for use as a restaurant where beer is sold; hence, a beer saloon of the German type below the street level, where, usually, drinks are served only at tables and simple food may also be had; -- sometimes loosely used, in English, of what are essentially basement restaurants where liquors are served.…

ndefinitely in both directions. See Half-ray. Bundle of rays. (Geom.) See Pencil of rays, below. -- Extraordinary ray (Opt.), that one or two parts of a ray divided by double refraction which does not follow the ordinary law of refraction. -- Ordinary ray (Opt.) that one of the two parts of a ray divided by double re…

dmost; as, the rear rank of a company. Rear admiral, an officer in the navy, next in rank below a vice admiral, and above a commodore. See Admiral. -- Rear front (Mil.), the rear rank of a body of troops when faced about and standing in that position. -- Rear guard (Mil.), the division of an army that marches in the…

n with reference to the substitution of reciprocals for given quantities. See the Phrases below. Reciprocal equation (Math.), one which remains unchanged in form when the reciprocal of the unknown quantity is substituted for that quantity. -- Reciprocal figures (Geom.), two figures of the same kind (as triangles, para…

The return of rays, beams, sound, or the like, from a surface. See Angle of reflection, below. The eye sees not itself, But by reflection, by some other things. Shak.

ysical or mental. No man was altogether above the restrains of law, and no man altogether below its protection. Macaulay.

A day in bank. See Return day, below. Blackstone.

To be borne in a carriage; as, to ride in a coach, in a car, and the like. See Synonym, below. The richest inhabitants exhibited their wealth, not by riding in gilden carriages, but by walking the streets with trains of servants. Macaulay.

nstantinople. E. A. Freeman. Ring armor, armor composed of rings of metal. See Ring mail, below, and Chain mail, under Chain. -- Ring blackbird (Zoöl.), the ring ousel. -- Ring canal (Zoöl.), the circular water tube which surrounds the esophagus of echinoderms. -- Ring dotterel, or Ringed dotterel. (Zoöl.) See Dotte…

A shaft excavated from below upward.