Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Previous word: critical solution temperature
Next word: critical temperature
Definition of: critical speed
Physics
The speed at which a rotating shaft becomes dynamically unstable, and which, if maintained, will result in serious vibration and resonance effects.
Comment about this word, ask questions, or add new information about this topic: