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
(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) n. [Russ. arshin, of Turkish-Tartar origin; Turk. arshin, arshun, ell, yard.] A
Russian measure of length = 2 ft. 4.246 inches.
(Ar"sine) 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) 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) n. [An erroneous form of arithmetic, as if from L. ars metrica the measuring
art.] Arithmetic. [Obs.] Chaucer.
(Ar"son) 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.
(Art) 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.
(Art) n. [F. art, L. ars, artis, orig., skill in joining or fitting; prob. akin to E. arm, aristocrat, article.]