the quality of lacking any predictable order or plan | a simple valve with a hinge on one side; allows fluid to flow in only one direction |
incomprehensibility resulting from irrelevant information or meaningless facts or remarks | a sharp abrupt noise as if two objects hit together; may be repeated |
the auditory experience of sound that lacks musical quality; sound that is a disagreeable auditory experience | |
a loud outcry of protest or complaint | |
sound of any kind (especially unintelligible or dissonant sound) | |
electrical or acoustic activity that can disturb communication | |