|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|
|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|
|4.||(US) (tr) to be or cause an obstruction in|
|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 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.