Stability

Stability is the likelihood that a process will be random.

Definition

According to Managing Quality by Foster (6th edition),

Stability. The likelihood that a process will be random.

According to Juran's Quality Handbook by Defeo (7th edition),

Stability. In the context of measurement system analysis, the total variation in the measurements obtained with a measurement system on the same master or parts when measuring a single characteristic over an extended time.