achromatic lens

ach·ro·mat·ic lens

A a

Definitions of achromatic lens words

noun achromatic lens a system of two or more lenses that is substantially free from chromatic aberration and in which the lenses are made of different substances so that the focal length of the system is the same for two or three wavelengths of light. 1
noun achromatic lens (optics) A lens generally composed of two separate lenses, one convex and one concave and generally of different materials, in such a way that the chromatic aberration produced by one is corrected by the other. 0

before 1860

One of the 29% newest English words

probably earlier than 1860-65

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This term is known only to a narrow circle of people with rare knowledge. Only 5% of English native speakers know the meaning of this word.

According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

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