radio telescope

noun

: a radio receiver-antenna combination used for observation in radio astronomy

Examples of radio telescope in a Sentence

Recent Examples on the Web
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And overall there are almost as many operational radio telescopes as there are visible-light ones. Phil Plait, Scientific American, 15 May 2026 The extra data came from observations with SALT, the Southern African Large Optical Telescope, and the MeerKAT radio telescope array in South Africa. Keith Cooper, Space.com, 4 May 2026 For comparison, modern radio telescopes can detect signals down to about 1 Jansky. Rupendra Brahambhatt, Interesting Engineering, 3 May 2026 Astronomers using radio telescope observations to get an inside look at an interstellar comet have gleaned new insights into when and where the celestial object formed. Ashley Strickland, CNN Money, 1 May 2026 See All Example Sentences for radio telescope

Word History

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of radio telescope was in 1947

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Cite this Entry

“Radio telescope.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/radio%20telescope. Accessed 17 May. 2026.

Kids Definition

radio telescope

noun
: a radio receiver-antenna combination used for observation in radio astronomy

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