refracting telescope
Origin: 1755–65
re·frac·tor (rĭ-frāk'tər) n. One that refracts. A refracting telescope.
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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
Cite This Source