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brightline

[brahyt-lahyn] /ˈbraɪtˌlaɪn/
adjective
1.
(of rules, standards, etc.) unambiguously clear:
This muddies the waters of what should be a brightline rule.
noun
2.
Physical Chemistry, brightline spectrum.
Also, bright-line.
Origin
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Contemporary definitions for bright-line
noun

in physics, a discontinuous spectrum consisting of bright lines resulting from radiation from an incandescent vapor or gas;

Examples

If the gas is made incandescent by heat or an electric discharge, the resulting spectrum is a bright-line, or emission, spectrum, consisting of a series of bright lines against a dark background.

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Slang definitions & phrases for bright-line

bright-line

verb

Single out; focus on; emphasize: My final comment, and I want to bright-line it

[1980s+; fr the use of a usu yellow felt pen to mark important passages]


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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