What does "least count" mean?

The highest degree of accuracy of measurement that can be achieved.

What is a synonym for "least count"?

Common synonyms include: minimal count, vernier.

noun

noun ·Rare ·Advanced level

Noun

1
The highest degree of accuracy of measurement that can be achieved.
"The least count of a voltmeter is the minimum change that can be discerned."

"The least count of a voltmeter is the minimum change that can be discerned."