Webster
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Webster’s Revised Unabridged Dictionary · 1913

Ruby

Ru′by, n.; pl. Rubies (#). [F. rubis (cf. Pr. robi), LL. rubinus, robinus, fr. L. rubeus red, reddish, akin to ruber. See Rouge, red.] 1. (Min.) A precious stone of a carmine red color, sometimes verging to violet, or intermediate between carmine and hyacinth red. It is a red crystallized variety of corundum.

☞ Besides the true or Oriental ruby above defined, there are the balas ruby, or ruby spinel, a red variety of spinel, and the rock ruby, a red variety of garnet.

Of rubies, sapphires, and pearles white. Chaucer.

2. The color of a ruby; carmine red; a red tint.

The natural ruby of your cheeks. Shak.

3. That which has the color of the ruby, as red wine. Hence, a red blain or carbuncle.

4. (Print.) See Agate, n., 2. [Eng.]

5. (Zoöl.) Any species of South American humming birds of the genus Clytolæma. The males have a ruby-colored throat or breast.

Ruby of arsenic, Ruby of sulphur (Chem.), a glassy substance of a red color and a variable composition, but always consisting chiefly of the disulphide of arsenic; — called also ruby sulphur. — Ruby of zinc (Min.), zinc sulphide; the mineral zinc blende or sphalerite. — Ruby silver (Min.), red silver. See under Red.

Ru′by, a. Ruby-colored; red; as, ruby lips.

Ru′by, v. t. [imp. & p. p. Rubied; p. pr. & vb. n. Rubying.] To make red; to redden. [R.] Pope.

Webster’s Revised Unabridged Dictionary, Noah Porter, editor (Springfield, Mass.: G. & C. Merriam, 1913). Public domain. Text as transcribed by MICRA, Inc., from Project Gutenberg. Changed for Deep Dive Bible: Greek, which our source spelled in Latin letters, set in Greek letters; entries of one spelling merged into one article; Greek words our source left out (shown as “?”), read from the 1898 printing, from the same plates (the Library of Congress’s copy), where the place could be found with certainty. Of the others, 1,362 (a word or a single letter each) were inferred by AI from the context by the dictionary’s own rules and are marked with a wavy underline (tap or point at one to see the note); the rest, which could not be inferred with confidence, are left as “?”.