extension
Definitions
noun
The act of extending; a stretching out; enlargement in length, breadth, or time; an increase.
Next month the house is undergoing an extension.
Due to the unforeseen circumstances, you are allowed an extension of two weeks to complete the task.
The state of being extended.
For station is properly no rest, but one kind of motion, relating unto that which physicians (from Galen) do name extensive or tonical; that is, an extension of the muscles and organs of motion, maintaining the body at length, or in its proper figure.
That property of a body by which it occupies a portion of space (or time, e.g. "spatiotemporal extension").
A short exact sequence 1→H→E→G→1, or the group E therein.
A short exact sequence 0→B→E→A→0, or the object E therein.