aperiodic /ā-pē-ri-odˈik/

1. Not periodic
2. Highly damped and coming to rest without oscillation (physics)

aperiodicity /-ə-disˈi-ti/ noun

• tongue
• tongue-and-groove
• tongued
• tongue-doubtie
• tongue in cheek
• tongue-in-cheek
• tongue-lashing
• tongue-lashings
• tongueless
• tonguelet
• tonguelets
• tonguelike
• tongues
• tonguester
• tonguesters
• tongue-tacked
• tongue-tie
• tongue-tied
• tongue-twister
• tongue-twisters
• tongue-work
• tongue worm
• tongue worms
• tonguing
• tonguings