Part 433

Ru*bid"i*um (?), n. [NL., fr. L. rubidus red, fr. rubere to be red. So called from two dark red spectroscopic lines by means of which it was discovered in the lepidolite from Rozena, Moravia. See Rubicund.] (Chem.) A rare metallic element. It occurs quite widely, but in small quantities, and always combined. It is isolated as a soft yellowish white metal, analogous to potassium in most of its properties. Symbol Rb. Atomic weight, 85.2.

Ru*bif"ic (?), a. [L. ruber red + facere to make.] Making red; as, rubific rays. Grew.

Ru`bi*fi*ca"tion (?), n. [Cf. F. rubification.] The act of making red. Howell.

Ru"bi*form (?), a. [L. ruber red + -form.] Having the nature or quality of red; as, the rubiform rays of the sun. [R.] Sir I. newton.

Ru"bi*fy (?), v. t. [Cf. F. rubéfier. See Rubific.] To redden. [R.] "Waters rubifying." Chaucer.

{ Ru*big"i*nose` (?), Ru*big"i*nous (?) }, a. [L. rubiginosus, fr. rubigo, robigo, rust: cf. F. rubigineux.] (Bot.) Having the appearance or color of iron rust; rusty- looking.

||Ru*bi"go (?), n. [L. rubigo, robigo, rust of metals, rust, blight.] ||(bot.) same as Rust, n., 2.

Ru"bin (?), n. [Cf. LL. rubinus, It. rubino. See Ruby.] A ruby. [Obs.] Spenser.

Ru"bi*ous (?), a. [L. rubeus, fr. rubere to be red. See Rouge.] Red; ruddy. [Obs.] Shak.

Ru`bi*re"tin (?), n. [Rubian + Gr. &?; resin.] (Chem.) One of the red dye products extracted from madder root, and probably identical with ruberythrinic acid.

Ru"ble (?), n. [Russ. ruble.] The unit of monetary value in Russia. It is divided into 100 copecks, and in the gold coin of the realm (as in the five and ten ruble pieces) is worth about 77 cents. The silver ruble is a coin worth about 60 cents. [Written also rouble.]

Ru"bric (?), n. [OE. rubriche, OF. rubriche, F. rubrique ( cf. it. rubrica), fr. L. rubrica red earth for coloring, red chalk, the title of a law (because written in red), fr. ruber red. See red.] That part of any work in the early manuscripts and typography which was colored red, to distinguish it from other portions. Hence, specifically: (a) A titlepage, or part of it, especially that giving the date and place of printing; also, the initial letters, etc., when printed in red. (b) (Law books) The title of a statute; -- so called as being anciently written in red letters. Bell. (c) (Liturgies) The directions and rules for the conduct of service, formerly written or printed in red; hence, also, an ecclesiastical or episcopal injunction; -- usually in the plural.

All the clergy in England solemnly pledge themselves to observe the rubrics.

Hook.

(d) Hence, that which is established or settled, as by authority; a thing definitely settled or fixed. Cowper.

Nay, as a duty, it had no place or rubric in human conceptions before Christianity.

De Quincey.

Ru"bric, v. t. To adorn ith red; to redden; to rubricate. [R.] Johnson.

{ Ru"bric (?), Ru"bric*al (?) }, a. 1. Colored in, or marked with, red; placed in rubrics.

What though my name stood rubric on the walls Or plaistered posts, with claps, in capitals?

Pope.

2. Of or pertaining to the rubric or rubrics. "Rubrical eccentricities." C. Kingsley.

Ru"bri*cate (?), a. [L. rubricatus p. p. of rubricare to color red. See Rubric, n.] Marked with red. Sp&?;lmman.

Ru"bri*cate (?), v. t. To mark or distinguished with red; to arrange as in a rubric; to establish in a settled and unchangeable form. Foxe.

A system . . . according to which the thoughts of men were to be classed and rubricated forever after.

Hare.

{ Ru*bri"cian (?), Ru"bri*cist (?) }, n. One skilled in, or tenaciously adhering to, the rubric or rubrics.

Ru*bric"i*ty (?), n. Redness. [R.]