brainstorming

[breyn-stawr-ming]
noun
a conference technique of solving specific problems, amassing information, stimulating creative thinking, developing new ideas, etc., by unrestrained and spontaneous participation in discussion.

Origin:
1955–60; brainstorm + -ing1

Dictionary.com Unabridged

brainstorm

[breyn-stawrm]
noun
1.
a.
a sudden impulse, idea, etc.
b.
a fit of mental confusion or excitement.
adjective
3.
of or pertaining to brainstorming.
verb (used without object)
4.
to conduct or practice brainstorming.
verb (used with object)
5.
to subject (a problem) to brainstorming.

Origin:
1890–95; brain + storm; originally a severe mental disturbance

brainstormer, noun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
brainstorm (ˈbreɪnˌstɔːm)
 
n
1.  a severe outburst of excitement, often as the result of a transitory disturbance of cerebral activity
2.  informal (Brit) a sudden mental aberration
3.  informal another word for brainwave

brainstorming (ˈbreɪnˌstɔːmɪŋ)
 
n
intensive discussion to solve problems or generate ideas

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

brainstorm
"brilliant idea, mental excitement, fit of mental application," 1849, from brain + figurative use of storm. As a verb, recorded from 1920s. Related: Brainstorming.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang Dictionary

brainstorm definition


  1. n.
    a good idea; an idea that enters one's head suddenly. : I had a sudden brainstorm and got out of bed to write it down.
  2. in.
    to try to think up good ideas, especially as a group. : Let's brainstorm on this for a little while.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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Example sentences
Have students place the topics they listed during the brainstorming session
  into these four topics.
Having an audience for practice presentations and brainstorming sessions is
  helpful as well.
Her energy and ideas seemed boundless, whether she was working all night or
  brainstorming with colleagues on mountain hikes.
Brainstorming didn't unleash the potential of the group, but rather made each
  individual less creative.
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