- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
terrestrial
-
afghan
-
go wrong
-
go forth
-
gainsay
-
murder
-
companies
-
so long
-
seize on
-
accounting standard
- Hide translation
achromat
achromat /əˈkroʊmæt/
noun
-
A compound lens system that forms an image free from chromatic aberration
(
achromatic lens
, achromat
)
a compound lens system that forms an image free from chromatic aberration
The scientist used the achromatic lens in his telescope to obtain images without chromatic aberration.
The scientist used the achromatic lens in his telescope to obtain images without chromatic aberration.
