noise meaning
EN
[nɔɪz] [-ɔɪz] 
US UK WNoise
- Noise means any unwanted sound. Sounds, particularly loud ones, that disturb people or make it difficult to hear wanted sounds, are noise.
- Acoustic noise can be anything from quiet but annoying to loud and harmful.
- Roland Barthes also observes that noise can be perceived either physiologically or psychologically. We perceive noise physiologically when we "hear" it. On the other hand, when we "listen" to a noise we are doing this psychologically.
- Sound intensity follows an inverse square law with distance from the source; doubling the distance from a noise source reduces its intensity by a factor of four, or 6 dB.
FR noise 
- NounPLnoisesSUF-ise
- Various sounds, usually unwanted.
- He knew that it was trash day, when the garbage collectors made all the noise.
- Sound or signal generated by random fluctuations.
- (technology) Unwanted part of a signal. (Signal to noise ratio).
- (genetics) The measured level of variation in gene expression among cells, regardless of source, within a supposedly identical population.
- Rumour or complaint.
- The problems with the new computer system are causing a lot of noise at Head Office.
- (obsolete) Music, in general; a concert; also, a company of musicians; a band.
- (music) A genre of rock music that uses static and other non-musical sounds, also influenced by art rock.
- Various sounds, usually unwanted.
- VerbSGnoisesPRnoisingPT, PPnoised
- (intransitive) To make a noise; to sound.
- (transitive) To spread news of; to spread as rumor or gossip.
- (intransitive) To make a noise; to sound.
- More Examples
- Used in the Middle of Sentence
- The man pointed his thunderstick at the buffalo, and with a great noise and fire, the buffalo fell down dead.
- As the lights dimmed the general noise quietened down.
- Charles had not been employed at Darracott Place above six months, but he was not such a whopstraw as to make the least noise in the performance of his duties when his lordship was out of humour.
- Used in the Ending of Sentence
- The loudness variations were achieved by comodulating the maskers with 2.5-Hz lowpass noise.
- Where the radio-wave signals of the two radio stations interfere the listener hears nothing but noise.
- We're going to be soundproofing today, by tomorrow you'll no longer hear those noises.
- Used in the Middle of Sentence
Definition of noise in English Dictionary
- Part-of-Speech Hierarchy
- Nouns
- Countable nouns
- Countable nouns
- Verbs
- Intransitive verbs
- Transitive verbs
- Intransitive verbs
- Nouns
Source: Wiktionary
Grammatically, this word "noise" is a noun, more specifically, a countable noun. It's also a verb, more specifically, an intransitive verb and a transitive verb.