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telescope

tel·e·scope

telescope

 
pronunciation:
te l skop
parts of speech:
noun, transitive verb, intransitive verb
features:
Word History, Word Explorer, Word Parts
part of speech: noun
definition 1: an optical instrument, usu. cylindrical, that employs lenses and sometimes mirrors to enlarge the images of distant objects, esp. those in outer space.
 
definition 2: any of various devices that gather information about very distant objects by measuring their radio waves or other emissions.
 
part of speech: transitive verb
inflections: telescoped, telescopes, telescoping
definition 1: to slide or force together (the tubes of a hand telescope or the like), often in sections that fit inside one another.
definition 2: to make shorter and more concise.
 
part of speech: intransitive verb
definition 1: to be slid or become forced together or into one another.
definition 2: to become longer or shorter, usu. by having overlapping tubular segments that slide out or in.
definition 3: to become condensed or more concise.
Word History
Galileo used the Italian word telescopio in 1611 for the instrument that he had built. The word came from an ancient Greek word that means "far-seeing." "Telescope" was first used in English about fifty years later.
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  outer space, physics, space, tool