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Noise Meaning, Examples, and Common Collocations (2 meaning)

Meaning 1:unwanted sound (noise)

noise 🔊
/nɔɪz/
n.
A loud or unpleasant sound that you hear with your ears.
Noise as unwanted sound: annoyed person in bed with construction noise outside
unwanted sound 🔊
/ʌnˈwɒntɪd saʊnd/
n.
A disruptive or unpleasant auditory stimulus that is typically loud and bothersome.
📁 Category:Physical & Mental Health 🔖 Level:Beginner

📘 Details & Usage

📖 Root Explanation
From Latin 'nausea' (seasickness), extended to unpleasant sounds.
💡 Mnemonic
Think of a noisy 'noize' band that makes you feel sick (nausea).
📖 Example
The constant noise from the construction site next door woke me up at 5 a.m. 🔊 The persistent loud sounds from the neighboring construction site woke me at 5 in the morning.
🔗 Collocations
make a noise – to produce a sound
background noise – ambient sounds that interfere with focus
noise pollution – harmful or annoying levels of noise in the environment
🔄 Synonyms
sound (n.) – Vibrations that travel through the air and are heard.
din (n.) – A loud, unpleasant, and prolonged noise.
racket (n.) – A loud, disturbing noise.
🚫 Antonyms
silence (n.) – Complete absence of sound.
quietness (n.) – State of being quiet; low sound level.
peace (n.) – Freedom from disturbance; tranquility.
🌱 Derivatives
noisy (adj.) – Making a lot of noise.
noiseless (adj.) – Making no noise; silent.
noisily (adv.) – In a noisy manner.
📖 Cultural Story
'Noise' traces back to Latin 'nausea' (seasickness) via Old French 'noise' (strife). In modern English, it often describes unwanted sound in urban or work environments.

Meaning 2:irrelevant data (noise)

noise 🔊
/nɔɪz/
n.
Unnecessary or confusing information that makes it hard to understand what is important.
Noise as irrelevant data: data scientist pointing at clear signal on cluttered graph
irrelevant data 🔊
/ɪˈrɛlɪvənt ˈdeɪtə/
n.
Extraneous or meaningless information that obscures meaningful signals in data analysis or communication.
📁 Category:Technological Inventions 🔖 Level:Advanced

📘 Details & Usage

📖 Example
When analyzing social media data, the scientist had to filter out a lot of irrelevant noise to find meaningful trends. 🔊 While examining social media data, the researcher needed to remove much irrelevant noise to identify significant patterns.
🔗 Collocations
signal-to-noise ratio – measure of signal strength relative to background noise
noise filter – a technique that removes unwanted data
white noise – a random signal with equal intensity at different frequencies
🔄 Synonyms
interference (n.) – Disturbance that affects a signal or data.
static (n.) – Crackling or hissing noise that disrupts communication.
clutter (n.) – A collection of unnecessary items or information.
🚫 Antonyms
signal (n.) – A meaningful indicator or data.
clarity (n.) – The quality of being easy to understand.
order (n.) – A state of arrangement with no confusion.
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