AS2S3.

artificially. The native orpiment appears in soft, foliated Am or i ment is used in dyeing to reduce indigo by its affinity for oxygen, and in leather-manufacture together with potash and lime to prepare a paste employed for re- moving the hair from skins. The firste spirit quiksilver called is; The second orpiment. IMG:content-1877.png:[blocks in formation] orr (or), n. [Origin obscure.] A globular piece of wood used in playing at doddart. Hall i well . orra (or'ä), a . [Also orrow , ora ; origin uncer- tain. Cf. orrels .] 1. Odd; not matched; not appropriated; left over; occasional; inciden- tal: as, an orra thing; an orra time. Ae night at e'en a merry core O' randie, gangrel bodies In Poosie Nancy's held the splore, To drink their orra duddies. Burns, Jolly Beggars. 2. Employed, as about a farm, for doing the odd jobs or work which the servants having regular and specified duties cannot overtake: as, an orra man.-3. Base; low; mean; worth- le : as, to keep orra company. [Scotch in all uses.] orrach, n. See orach . orrels (or'elz), n . pl . [ urwal , refuse, Sw. urval , choice, selection, residue, ur- (= AS. or-) + val a , choice: see wale2 .] What is left over; refuse. [Scotch.] orrery (or'e-ri), n .; pl. orreries (-riz). [So called, by Sir Richard Steele, after the Earl of Orrery , for whom a copy of this machine was made by a workman, after an original borrowed from George Graham, who invented it.] A machine so constructed as to represent, by the move- ments of its parts, the motions and phases of the planets in their orbits. Similar machines are also called planetariums and cosmos copes . orrice, n. See orris2 . orris1 (or'is), n. [Contr. of orfrays.] 1. A name given given to laces of varied design in gold One Silver Orrice a quarter of a Yard deep; A large Par- cel of Black and Silver Fringe; One dark colour Cloth Gown and Petticoat with 2 Silver Orrices. Quoted in Ashton's Social Life in Reign of Queen Anne, [I. 167. 2. Galloon and gimp used in upholstery. [Trade- name.]-Orris pattern, a peculiar pattern or design for orris (or'is), n . [Short for orris - root .] A plant from which orris-root is obtained. Also orrice. orris-pea (or'is-pē), n. A little ball of dried orris-root used to maintain the discharge of is- orris-root (or'is-röt), n. [Prob. a corruption of iris -root.] ot . ] The root of several European species of Iris , chiefly I. flor ent in a . See Iris , 8.- Oil of IMG:content-1878.png:[graphic] Orthalicus (ôr-thal'i-kus), n. 1837).] The typical genus of the family Ortha- licida . orthaxial (or-thak'si-al), a . [ axis , axis.] Having a straight vertebral axis: applied to a primitive form of the vertebral axis in certain fishes, fishes, in which its posterior end is not bent upward or curved in any other direction. J. A. Ryder. Orthezia (ôr-thēʼzi-ä), n. [NL. L. (Amyot and Serville, Serville, 1843), 1843), syn. of Dorthezia , named after Dorthes, a French physician (1759-94).] A genus of hemipterous insects of the family Coccid a. The adult female insect, the form usually met with, is long and oval in shape, covered with a laminated white secretion, elongated behind and having a sac which contains the eggs. The antennæ are eight- jointed; there are no tarsal digitules; the genito-anal ring is enlarged and six-haired. One species has been recognized in the United States; several others are Euro- prepared are themselves colorle , but yield coloring sub up, high-pitched, ὀρθός , straight, upright.] In upright stances by reaction with water, air, and ammonia. They anc. Gr. music, noting a melody or style in are generally acids, or acid an hydrids. U. S. Dispensatory . which many high tones were used. orseduet, orsedewt (or'se-du), n. [OF. or, gold, gold, + sedue , sedue , pp. pp. of seduire , mislead: see se- duce.] An inferior sort of leaf-metal made of copper and zinc, so as to resemble gold; Mann- heim gold; Dutch metal. orseille (or-sal'), n. [F.: see orchil , archil .] A peculiar coloring matter derived from Roccella tinct or i a and other lichens, used in the prep a- ration of test-papers for chemical operations. See litmus , and test - paper (under paper ). The prin- IMG:content-1879.jpg:[merged small][ocr errors] It yields a fast and full red, but is not very bril- liant. Also called roc cell in , rubidin , rauracienne . or sell ate (ôr's el-at), n. [ orsell (ic) + -atel .] The generic name for any salt composed of or- sellic acid and a base: as, or sell ate of baryta. orsellic (ôr-sel'ik), a . [ orse ( i ) lle + -ic .] Same as lecanoric.- Orsellic acid. Same as orseille . orpine, Oryne, yellow arsenic, a kind of stone, crop, orpin , yellow arsenic, orpiment, also a kind of stonecrop (so called from its yellow left after eating, or- , out, + etan , eat: see flowers); an abbr. form of orpiment : see orpi- ment .] 1. In painting , a yellow color of various degrees of intensity, approaching also to red.- 2. A succulent herbaceous plant, Sedum Tele- phium, common in gardens, native in the north- ern Old World, sometimes becoming wild in America. It has fleshy smooth leaves, and corymbs of numerous purple flowers. It was formerly, and to some extent is still, used as an astringent in dysentery, etc., and as a vulnerary. From its tenacity of life, it is called live- for-ever. Cool Violets, and Orpine growing still. Spenser , Muiopotmos, L. 193. ort (ort), n. [ oræt (= MD. ooraete , ooreete = MLG. LG. ort ), what is or and eat .] A fragment; a scrap; a piece of refuse: usually in the plural. Let him have time a beggar's orts to crave. Hang thee, thou parasite, thou son of crumbs B. Jonson, New Inn, v. 1. And orts ! I wouldn't give a fiddlestick's end for all the Constitu- tions in creation. They take the best of everything, and leave us only the orts and hog-wash. nal axis -that is, the lateral axis of a monoclinic crystal which is at right angles to the vertical axis. or orthocephalic (ortho-se-fal'ik or -sef'a-lik), a. [ [ terized by orthocephaly. orthocephaly (or-tho-sef'a-li), n. [