aplanatic
Americanadjective
adjective
Other Word Forms
- aplanatically adverb
Etymology
Origin of aplanatic
1785–95; a- 6 + Greek planá ( ein ) to wander + -tic. See planet
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Thank you; I have a pretty good one of my own," Tom answered, diving into one of his pockets and bringing to light a small but powerful reading glass with an aplanatic lens.
From The Young Engineers in Colorado Or, At Railwood Building in Earnest by Hancock, H. Irving (Harrie Irving)
The aplanatic lenses Nos. 62-66 are also to be had with a moveable cover and ring adapting them for use as pocket lenses.
From Microscopes and Accessory Apparatus Catalogue No. 40 by Leitz, Ernst
The same with two aplanatic lenses after Steinheil, Magnification 10 and 20 diam.
From Microscopes and Accessory Apparatus Catalogue No. 40 by Leitz, Ernst
The same with three aplanatic lenses after Steinheil, magnifying 8, 16 and 20 diameters $28.—
From Microscopes and Accessory Apparatus Catalogue No. 40 by Leitz, Ernst
The aplanatic triplets after Steinheil are remarkable for their large, flat field and excellent definition, free from chromatic aberration.
From Microscopes and Accessory Apparatus Catalogue No. 40 by Leitz, Ernst
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
