Plain English Meaning
The more you use what you've learned, the better you remember it. The less you use it, the more it fades.
Full Definition
A principle in learning theory stating that the strength and durability of memory depend on how often, how recently, and how meaningfully information is used. Material that is reviewed, applied, and connected to real situations is retained well; material that is rarely used fades and may eventually be lost.
Context Anchor
Seen in flight instructor training when planning lessons, practice sessions, reviews, and ways to help students retain what they learn.
Derivation
Usage comes from use, meaning to put something into action. Memory comes from Latin memoria, meaning remembrance. Together, the phrase points to a simple idea: memory improves when the learner puts the information to work.
Why Pilots Care
Instructors use this principle to build lessons around practice and application rather than one-time exposure, helping pilots retain critical and under .