noun
definition
Various sounds, usually unwanted or unpleasant.
example
He knew that it was trash day, when the garbage collectors made all the noise.
definition
Sound or signal generated by random fluctuations.
definition
Unwanted part of a signal.
definition
(by extension) Unwanted fuss or bustle; useless activity.
definition
The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.
definition
Rumour or complaint.
example
The problems with the new computer system are causing a lot of noise at Head Office.
definition
Music, in general; a concert; also, a company of musicians; a band.
definition
A genre of rock music that uses static and other non-musical sounds, also influenced by art rock.