单词 | telescope |
释义 | Word Frequency telescope(ˈtɛlɪˌskəʊp) noun 1. an optical instrument for making distant objects appear larger and brighter by use of a combination of lenses (refracting telescope) or lenses and curved mirrors (reflecting telescope) See also terrestrial telescope, astronomical telescope, Cassegrain telescope, Galilean telescope, Newtonian telescope 2. any instrument, such as a radio telescope, for collecting, focusing, and detecting electromagnetic radiation from space verb 3. to crush together or be crushed together, as in a collision the front of the car was telescoped by the impact 4. to fit together like a set of cylinders that slide into one another, thus allowing extension and shortening 5. to make or become smaller or shorter the novel was telescoped into a short play Word origin C17: from Italian telescopio or New Latin telescopium, literally: far-seeing instrument; see tele-, -scope |
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