bottlenecks

bottleneck

[bot-l-nek]
noun
1.
a narrow entrance or passageway.
2.
a place or stage in a process at which progress is impeded.
3.
Also called slide guitar. a method of guitar playing that produces a gliding sound by pressing a metal bar or glass tube against the strings.
verb (used with object)
4.
to hamper or confine by or as if by a bottleneck.
verb (used without object)
5.
to become hindered by or as if by a bottleneck.

Origin:
1895–1900; bottle1 + neck

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
bottleneck (ˈbɒtəlˌnɛk)
 
n
1.  a.  a narrow stretch of road or a junction at which traffic is or may be held up
 b.  the hold up
2.  something that holds up progress, esp of a manufacturing process
3.  music
 a.  the broken-off neck of a bottle placed over a finger and used to produce a buzzing effect in a style of guitar-playing originally part of the American blues tradition
 b.  the style of guitar playing using a bottleneck
 
vb
4.  (US) (tr) to be or cause an obstruction in

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

bottleneck
"narrow entrance, spot where traffic becomes congested," 1896; from bottle + neck. Meaning "anything which obstructs a flow" is from 1928; so is the verb in this sense.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
bottleneck   (bŏt'l-něk')  Pronunciation Key 
An abrupt and severe reduction in the number of individuals during the history of a species, resulting in the loss of diversity from the gene pool. The generations following the bottleneck are more genetically homogenous than would otherwise be expected. Bottlenecks often occur in consequence of a catastrophic event.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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American Heritage
Cultural Dictionary

bottleneck definition


The point at which an industry or economic system has to slow its growth because one or more of its components cannot keep up with demand.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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