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And gladly would he learn, and gladly teach. Chaucer. The priests thereof teach for hire. Micah iii. 11.

ects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope. -- Ter*res"tri*al*ly, adv. -- Ter*res"tri*al*ness, n.

A substance (notably nux vomica, strychnine, and brucine) which, either as a remedy or a poison, acts primarily on the spinal cord, and which, when taken in comparatively large quantity, produces tetanic spasms or convulsions.

on of any performances before an assembly, as public lectures, scholastic exercises, anatomical demonstrations, surgical operations, etc.

hysical processes, as by the theurgic operations of some ancient Platonists, or by the chemical processes of the German fire philosophers; also, a direct, as distinguished from a revealed, knowledge of God, supposed to be attained by extraordinary illumination; especially, a direct insight into the processes of the div…

That branch of chemical science which includes the investigation of the various relations existing between chemical action and that manifestation of force termed heat, or the determination of the heat evolved by, or employed in, chemical actions.

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

A thriving state; good husbandry; economical management in regard to property; frugality. The rest, . . . willing to fall to thrift, prove very good husbands. Spenser.

The measured duration of sounds; measure; tempo; rate of movement; rhythmical division; as, common or triple time; the musician keeps good time. Some few lines set unto a solemn time. Beau. & Fl.

movement, placed after the key signature, to indicate its time or meter. Also called rhythmical signature. It is in the form of a fraction, of which the denominator indicates the kind of note taken as time unit for the beat, and the numerator, the number of these to the measure.

Of, pertaining to, or denoting, those rays of light which produce chemical effects; actinic. [R.]

Of, relating to, or produced by, the chemical action of rays of light; photographic.

To bring, as a print, to a certain required shade of color, as by chemical treatment. To tone down. (a) To cause to give lower tone or sound; to give a lower tone to. (b) (Paint.) To modify, as color, by making it less brilliant or less crude; to modify, as a composition of color, by making it more harmonius. Its thous…

A mineral occurring in emerald-green tabular crystals having a micaceous structure. It is a hydrous phosphate of uranium and copper. Called also copper uranite, and chalcolite.

a rough surface. It consists chiefly of orthoclase feldspar with sometimes hornblende and mica.

An alkaloid, C8H13N, obtained by the chemical dehydration of tropine, as an oily liquid having a coninelike odor.

A rhythmical, melodious, symmetrical series of tones for one voice or instrument, or for any number of voices or instruments in unison, or two or more such series forming parts in harmony; a melody; an air; as, a merry tune; a mournful tune; a slow tune; a psalm tune. See Air.

bitterish, slightly acrid taste. It is used for a dye, a medicine, a condiment, and a chemical test.

ng Turnix and allied genera, resembling quails in appearance but differing from them anatomically.

artridges in general appearance and in some of their habits, but differ in important anatomical characteristics. The hind toe is usually lacking. They are found in Asia, Africa, Southern Europe, the East Indian Islands, and esp. in Australia and adjacent islands, where they are called quails (see Quail, n., 3.). See Tu…