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The truth about "stupider"
/ˈmæk sʊˌtɔf, -ˌtɒf/
a reflecting telescope in which coma and spherical aberration are reduced to a minimum by a combination of a spherical mirror and a meniscus lens placed inside the radius of curvature of the mirror.
after Russian opticist Dmitriĭ Dmitrievich
(1896-1964), who designed such a telescope in 1941
Based on the Random House Dictionary, © Random House, Inc. 2017.
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