CEFR C1

aplanatism

noun

Meaning

aplanatism means (optics) Lack of spherical aberration. It can have more than one sense, so use the alternate meanings and examples to choose the meaning that matches your sentence.

Examples

The article uses aplanatism to mean (optics) Lack of spherical aberration.
The teacher asked students to find aplanatism in the reading.

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aplanatism (C1)

noun

Definition

aplanatism means (optics) Lack of spherical aberration. It can have more than one sense, so use the alternate meanings and examples to choose the meaning that matches your sentence.

Examples

The article uses aplanatism to mean (optics) Lack of spherical aberration.
The teacher asked students to find aplanatism in the reading.

How to Use aplanatism

a/the aplanatism (noun pattern): Use an article when the noun is countable in context. — "The article mentioned a aplanatism."
aplanatism in context (usage pattern): Use surrounding words to choose the correct sense. — "We checked aplanatism in context before translating it."

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