Part 372

Ar*se"ni*ous (&?;), a. [Cf. F. arsénieux.] 1. Pertaining to, consisting of, or containing, arsenic; as, arsenious powder or glass.

2. (Chem.) Pertaining to, or derived from, arsenic, when having an equivalence next lower than the highest; as, arsenious acid.

Ar"sen*ite (&?;), n. [Cf. F. arsénite.] (Chem.) A salt formed by the union of arsenious acid with a base.

Ar`se*ni"u*ret (&?;), n. (Chem.) See Arsenide.

Ar`se*ni"u*ret`ed, a. (Chem.) Combined with arsenic; -- said some elementary substances or radicals; as, arseniureted hydrogen. [Also spelt arseniuretted.]

Ar`sen*o*pyr"ite (&?;), n. [Arsenic + pyrite.] (Min.) A mineral of a tin-white color and metallic luster, containing arsenic, sulphur, and iron; -- also called arsenical pyrites and mispickel.

Arse"smart (&?;), n. Smartweed; water pepper. Dr. Prior.

||Ar"shine (är"shn), n. [Russ. arshin, of Turkish-Tartar origin; Turk. arshin, arshn, ell, yard.] A Russian measure of length = 2 ft. 4.246 inches.

Ar"sine (är"sn or -sn), n. [From Arsenic.] (Chem.) A compound of arsenic and hydrogen, AsH3, a colorless and exceedingly poisonous gas, having an odor like garlic; arseniureted hydrogen.

||Ar"sis (är"ss), n. [L. arsis, Gr. 'a`rsis a raising or lifting, an elevation of the voice, fr. a'i`rein to raise or lift up. Its ordinary use is the result of am early misapprehension; originally and properly it denotes the lifting of the hand in beating time, and hence the unaccented part of the rhythm.] 1. (Pros.) (a) That part of a foot where the ictus is put, or which is distinguished from the rest (known as the thesis) of the foot by a greater stress of voice. Hermann. (b) That elevation of voice now called metrical accentuation, or the rhythmic accent.

It is uncertain whether the arsis originally consisted in a higher musical tone, greater volume, or longer duration of sound, or in all combined.

2. (Mus.) The elevation of the hand, or that part of the bar at which it is raised, in beating time; the weak or unaccented part of the bar; -- opposed to thesis. Moore.

Ars`met"rike (ärz`mt"rk), n. [An erroneous form of arithmetic, as if from L. ars metrica the measuring art.] Arithmetic. [Obs.] Chaucer.

Ar"son (är"s'n; 277), n. [OF. arson, arsun, fr. L. ardere, arsum, to burn.] (Law) The malicious burning of a dwelling house or outhouse of another man, which by the common law is felony; the malicious and voluntary firing of a building or ship. Wharton.

The definition of this crime is varied by statues in different countries and states. The English law of arson has been considerably modified in the United States; in some of the States it has been materially enlarged, while in others, various degrees of arson have been established, with corresponding punishment. Burrill.

Art (ärt). The second person singular, indicative mode, present tense, of the substantive verb Be; but formed after the analogy of the plural are, with the ending -t, as in thou shalt, wilt, orig. an ending of the second person sing. pret. Cf. Be. Now used only in solemn or poetical style.

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Art (ärt), n. [F. art, L. ars, artis, orig., skill in joining or fitting; prob. akin to E. arm, aristocrat, article.] 1. The employment of means to accomplish some desired end; the adaptation of things in the natural world to the uses of life; the application of knowledge or power to practical purposes.

Blest with each grace of nature and of art. Pope.

2. A system of rules serving to facilitate the performance of certain actions; a system of principles and rules for attaining a desired end; method of doing well some special work; -- often contradistinguished from science or speculative principles; as, the art of building or engraving; the art of war; the art of navigation.

Science is systematized knowledge . . . Art is knowledge made efficient by skill. J. F. Genung.

3. The systematic application of knowledge or skill in effecting a desired result. Also, an occupation or business requiring such knowledge or skill.

The fishermen can't employ their art with so much success in so troubled a sea. Addison.

4. The application of skill to the production of the beautiful by imitation or design, or an occupation in which skill is so employed, as in painting and sculpture; one of the fine arts; as, he prefers art to literature.

5. pl. Those branches of learning which are taught in the academical course of colleges; as, master of arts.

In fearless youth we tempt the heights of arts. Pope.

Four years spent in the arts (as they are called in colleges) is, perhaps, laying too laborious a foundation. Goldsmith.

6. Learning; study; applied knowledge, science, or letters. [Archaic]