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Rubidine
n.
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A nitrogenous base homologous with pyridine, obtained from coal tar as an oily liquid, C11H17N; also, any one of the group od metameric compounds of which rubidine is the type.
Rubidium
n.
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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.
Rubific
a.
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Making red; as, rubific rays.
Rubification
n.
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The act of making red.
Rubiform
a.
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Having the nature or quality of red; as, the rubiform rays of the sun.
Rubify
v. t.
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To redden.
Rubiginose
a.
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Alt. of Rubiginous
Rubiginous
a.
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Having the appearance or color of iron rust; rusty-looking.
Rubigo
n.
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same as Rust, n., 2.
Rubin
n.
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A ruby.
Rubious
a.
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Red; ruddy.
Rubiretin
n.
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One of the red dye products extracted from madder root, and probably identical with ruberythrinic acid.
Ruble
n.
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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.
Rubric
n.
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That part of any work in the early manuscripts and typography which was colored red, to distinguish it from other portions.
Rubric
n.
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A titlepage, or part of it, especially that giving the date and place of printing; also, the initial letters, etc., when printed in red.
Rubric
n.
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The title of a statute; -- so called as being anciently written in red letters.
Rubric
n.
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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.
Rubric
n.
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Hence, that which is established or settled, as by authority; a thing definitely settled or fixed.
Rubric
v. t.
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To adorn ith red; to redden; to rubricate.
Rubric
a.
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Alt. of Rubrical
Rubrical
a.
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Colored in, or marked with, red; placed in rubrics.
Rubrical
a.
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Of or pertaining to the rubric or rubrics.
Rubricate
n.
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Marked with red.
Rubricate
v. t.
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To mark or distinguished with red; to arrange as in a rubric; to establish in a settled and unchangeable form.
Rubrician
n.
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Alt. of Rubricist
Rubricist
n.
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One skilled in, or tenaciously adhering to, the rubric or rubrics.
Rubricity
n.
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Redness.
Rubstone
n.
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A stone for scouring or rubbing; a whetstone; a rub.
Rubus
n.
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A genus of rosaceous plants, including the raspberry and blackberry.
Rubies
pl.
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of Ruby