The part of a process that is too slow or cumbersome.
In traffic, any narrowing of the road, especially resulting in a delay.
The narrow portion that forms the pouring spout of a bottle; the neck of a bottle.
To slow by causing a bottleneck.
To form a bottleneck.
To increase the activity of (a catalyst) by changing its surface structure.
To elevate to a higher league.
To raise (someone) to a more important, responsible, or remunerative job or rank.
To move on to a subsequent stage of education.
To encourage, urge or incite.
To advocate or urge on behalf of (something or someone); to attempt to popularize or sell by means of advertising or publicity.
To exchange (a pawn) for a queen or other piece when it reaches the eighth rank.