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An exclamatory sentence, or striking reflection, which sums up or concludes a discourse.

ncerned in reflex action, by which impressions are transmitted to a nerve center and then reflected back so as to produce muscular contraction without sensation or volition.

An opinion or notion formed without much reflection; caprice; whim; impression. I have always had a fancy that learning might be made a play and recreation to children. Locke.

which to effect insurance against fire. -- Fire opal, a variety of opal giving firelike reflections. -- Fire ordeal, an ancient mode of trial, in which the test was the ability of the accused to handle or tread upon red-hot irons. Abbot. -- Fire pan, a pan for holding or conveying fire, especially the receptacle fo…

t, or Flashing light, a kind of light shown by lighthouses, produced by the revolution of reflectors, so as to show a flash of light every few seconds, alternating with periods of dimness. Knight. -- Flash in the pan, the flashing of the priming in the pan of a flintlock musket without discharging the piece; hence, su…

in color from the mass of the material, as when green crystals of fluor spar afford blue reflections. It is due not to the difference in the color of a distinct surface layer, but to the power which the substance has of modifying the light incident upon it. The light emitted by fluorescent substances is in general of…

A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.

A thin coat of tin, with quicksilver, laid on the back of a looking-glass, to cause reflection.

An arch or fold; as, the fornix, or vault, of the cranium; the fornix, or reflection, of the conjuctiva.

A white arc or circle in the sky attending frosty weather and formed by reflection of sunlight from ice crystals floating in the air; the parhelic circle whose center is at the zenith.

A false image formed in a telescope by reflection from the surfaces of one or more lenses. Ghost moth (Zoöl.), a large European moth (Hepialus humuli); so called from the white color of the male, and the peculiar hovering flight; -- called also great swift. -- Holy Ghost, the Holy Spirit; the Paraclete; the Comforter;…

of opal which is usually milk white, bluish white, or sky blue; but in a bright light it reflects a reddish color.

To make an incidental or passing reflection; to allude; to hint; - - often with at. Wherein obscurely Cæsar''s ambition shall be glanced at. Shak. He glanced at a certain reverend doctor. Swift.

To reflect, as in a mirror; to mirror; -- used reflexively. Happy to glass themselves in such a mirror. Motley. Where the Almighty's form glasses itself in tempests. Byron.

Mirror-faced; reflecting the sentiments of another. [R.] "The glass-faced flatterer." Shak.

Smooth and shining; reflecting luster from a smooth surface; highly polished; lustrous; as, glossy silk; a glossy surface.

A brief reflection or maxim. Peacham.

lon, of the sixth century B. C., whose writings consist of short sententious precepts and reflections.

A collection of, or a treatise on, maxims, grave sentences, or reflections. [Obs.] Milton.

is the center of the graduated circle or semicircle upon which the angle is read off. -- Reflecting goniometer, an instrument for measuring the angles of crystals by determining through what angular space the crystal must be turned so that two rays reflected from two surfaces successively shall have the same direction…