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Cr,symbol for the element chromiumchromium
[Gr.,=color], metallic chemical element; symbol Cr; at. no. 24; at. wt. 51.9961; m.p. about 1,857°C;; b.p. 2,672°C;; sp. gr. about 7.2 at 20°C;; valence +2, +3, +6. Chromium is a silver-gray, lustrous, brittle, hard metal that can be highly polished.
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The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. Abbr. for cold-rolled.
2. Abbr. for “ceiling register.”
1. An object consisting primarily of two straight or nearly straight pieces forming right angles with one another; the usual symbol of the Christian religion.
2. A monument or small building of any kind surmounted by a cross, 1, as a market cross.
3. A pipe cross.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
The country code for Costa Rica.
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CR(1) See cognitive radio and conversion rate.
(2) (Carriage Return) The character code generated when the Enter key is pressed. In ASCII and EBCDIC systems, the code is a decimal 13 or hex 0D. See line break.
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