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.
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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