lr


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Lr,

symbol for the element lawrenciumlawrencium,
artificially produced radioactive chemical element; symbol Lr; at. no. 103; mass number of most stable isotope 262; m.p. about 1,627°C;; b.p. and sp. gr. unknown; valence +3.
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Lr

(chemistry)
lawrencium
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

living room

A space in a dwelling for social use of the residents.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

lr

(networking)
The country code for Liberia.
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low radiation

The radiation emitted by earlier CRT monitors and TVs. The studies were controversial but never conclusive. See MPR II.
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