nouns
an unhappy and worried mental state
"there was too much anger and disturbance"; "she didn't realize the upset she caused me"
(physics) a secondary influence on a system that causes it to deviate slightly
domain category
the science of matter and energy and their interactions
"his favorite subject was physics"
is a type of (narrower)
the effect of one thing (or person) on another
"the influence of mechanical action"
activity that is a malfunction, intrusion, or interruption
"the term `distress' connotes some degree of perturbation and emotional upset"; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"
a disposition that is confused or nervous and upset
the act of causing disorder