bottleneck

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bot·tle·neck / ˈbätlˌnek/ • n. 1. the neck or mouth of a bottle. 2. a point of congestion or blockage, in particular: ∎  a narrow section of road or a junction that impedes traffic flow: narrow streets and a lack of parking space combine to make the town a bottleneck. ∎  a situation that causes delay in a process or system: lack of imports is making the bottlenecks in domestic output worse than usual. 3. a device shaped like the neck of a bottle, worn on a guitarist's finger to produce special sound effects. ∎  (also bottleneck guitar) the style of guitar playing that uses such a device.

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bottleneckbeck, bedeck, check, cheque, Chiang Kai-shek, crosscheck, Czech, deck, dreck, exec, fleck, heck, hitech, keck, lek, neck, peck, Québec, rec, reck, sec, sneck, spec, speck, spot-check, tec, tech, Toulouse-Lautrec, trek, wreck •Hayek • Baalbek • pinchbeck •Steinbeck • Warbeck •Brubeck, Lübeck •Uzbek • Beiderbecke • hacek •soundcheck • Dubcek • foredeck •sundeck • afterdeck • quarterdeck •Dalek, Palekh •fartlek • Chichimec • Olmec • redneck •breakneck • V-neck • bottleneck •swan-neck • roughneck • rubberneck •halterneck • leatherneck • turtleneck •henpeck • kopek • shipwreck • Hasek •Aztec • Mixtec • Toltec • infotech •discothèque • Zapotec

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bottleneck A severe reduction in population size, often leading to a founder effect. Bottleneck events are commonly followed by rapid population expansion in which the rate of loss of new lineages is greatly reduced, giving rise to star phylogenies.

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bottleneck A severe reduction in population size, often leading to a founder effect. Bottleneck events are commonly followed by rapid population expansion in which the rate of loss of new lineages is greatly reduced, giving rise to star phylogenies.