black noise
Technical silence; noise that has a frequency spectrum of predominantly zero power…Technical silence; noise that has a frequency spectrum of predominantly zero power level over all frequencies except for a few narrow bands or spikes.
Meaning
1 senses(uncountable)Technical silence; noise that has a frequency spectrum of predominantly zero power level over all frequencies except for a few narrow bands or spikes.
Word family
6 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable