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apochromatic

Upper-Intermediate (B2)

IPA: /ˌæpəˈkrɒmətɪk/

KK: /əˌpɒkrəˈmætɪk/

adjective
Definition

A term used to describe a lens that has been designed to eliminate both color distortion and spherical distortion, allowing for clearer and more accurate images.


Example

The apochromatic lens provided sharper images than the standard lens.


Conversation
Sloth A
I just got a new camera lens, and it's supposed to be apochromatic.
Sloth B
Oh really? That sounds impressive!
Sloth A
Yeah, it means it won't have any color distortion in the photos.
Sloth B
That's awesome! Clearer images will make a big difference.

Synonyms & Antonyms
Synonyms
corrected
clear
precise
Antonyms
aberrant
blurred
distorted
Root Explanation

Apochromatic → It is formed from "apo-" (meaning away from) and "chroma" (from Greek "chroma", meaning color) and the suffix "-tic" (meaning pertaining to). The word describes lenses that are designed to bring colors to a common focus, thus correcting chromatic aberration, or the distortion of colors.

Memory Tip

Think of 'away from' ('apo-') and 'color' ('chroma') to remember that 'apochromatic' refers to something that corrects color distortion.

Visually Confused Words
achromatic
polychromatic
pleochromatic
allochromatic
chromatic
placochromatic
photochromatic
bathochromatic
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