To merge, to combine, to blend, to join.
To combine (free groups) by identifying respective isomorphic subgroups.
To make an alloy of a metal and mercury.
Coalesced; united; combined.
To simplify or organize a process in order to increase its efficiency.
To design and construct the contours of a vehicle etc. so as to offer the least resistance to its flow through a fluid.
To modernise.
On a weather chart, a line that is tangent to the flow of the wind.
A line that is tangent to the velocity of flow of a fluid; equivalent to the path of a specific particle in that flow.