a telescope is a form of:

Telescope



noun
1.
(an instrument for making distant objects as stars appear nearer and larger) កែវយឹត
verbpast tense: telescoped ; past participle: telescoped ; present participle: telescoping ;
1.
(INTRANSITIVE) (to fit a smaller into a larger similar object; to slide into one another; to collapse like the sections of a field glass. to condense so as to occupy less space or time) ស្រុញចូលគ្នា
2.
(TRANSITIVE) (1. To cause to slide inward or outward in overlapping sections, as the cylindrical sections of a small hand telescope do. 2. To make more compact or concise; condense) ធ្វើអោយស្រុញចូលគ្នា
ENGLISH MEANING
noun
1.
An optical instrument used in viewing distant objects, as the heavenly bodies.
adjective
1.
Capable of being extended or compacted, like a telescope, by the sliding of joints or parts one within the other; telescopic; as, a telescope bag; telescope table, etc.
verbpast tense: telescoped ; past participle: telescoped ; present participle: telescoping ;
1.
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.
2.
(TRANSITIVE) To cause to come into collision, so as to telescope.