telescoping
verb
Definitions
To extend or contract in the manner of a telescope.
To slide or pass one within another, after the manner of the sections of a small telescope or spyglass.
To come into collision, as railway cars, in such a manner that one runs into another.
noun
Definitions
The act of extending or contracting in the manner of a telescope.
Extending limited data to make up for gaps
A telescopic action.
Example: intermediate stages of telescoping of the parts together