| 单词 | kellner eyepiece |
| 释义 | Kellner eyepiece[ kel-ner ] / ˈkɛl nər / noun Optics.a Ramsden eyepiece having an achromatic lens, used in binoculars. Origin of Kellner eyepieceafter Carl Kellner (1826–55), German opticist and lens maker Words nearby Kellner eyepiecekelek, kelep, Keller, Keller, Helen, kellion, Kellner eyepiece, Kellogg, Kellogg-Briand Pact, Kells, Kells, Book of, kelly Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 |
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