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coudé telescope

[koo-dey] /kuˈdeɪ/
noun
1.
a telescope in which light from the primary mirror is reflected along the polar axis to additional mirrors, and in which the focus (coudé focus) is independent of the telescope's motion, permitting the use of heavy instruments without disturbing the delicate balance of the telescope.
Origin
1920-1925
1920-25; < French coudé bent, elbowed, past participle of couder to bend, verbal derivative of coude elbow ≪ Latin cubitus cubit
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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