What is "increments"

Usage examples of "increments".

When she was about a thousand feet above the ground - it was hard to tell from looking outside, and she had no idea about the increments on the cockpit indicators - she used the antigravity control.

As the rope jerked back toward her in quarter-inch increments, she planted her feet firmly against the concrete and willed her legs to straighten.

Swearing softly, Cassie rolled it down to reveal in increments the face of her husband, Mark.

Then, tightening or loosening his facial muscles one by one in small increments, it little by little expunged the frozen look of suffering from his face.