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Wordabulary

resolving power

Pronunciation
Noun B2 Upper-intermediate

Quick answer

The ability of an optical instrument to distinguish between two objects that are very close together.

"A microscope's resolving power determines the smallest detail it can show clearly."

Usage notes

A shorter wavelength generally gives better resolving power, one reason electron microscopes can see finer detail than light microscopes.

Test yourself

Which word fits the gap? "A microscope's _____ determines the smallest detail it can show clearly."

Answer: resolving power

In your own words, what does "resolving power" mean?

The ability of an optical instrument to distinguish between two objects that are very close together.

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