decibel
/ˈdɛsɪbɛl/
Word Rarity
Rare
Frequency: Zipf frequency 2.55 in modern English
12
Scrabble Score
7
Letters
3
Syllables
6
Unique Chars
Meaning
noun
A common measure of intensity ratio (e.g. for sound) that is one tenth of a bel on the logarithmic intensity scale. It is defined as dB = 10 log₁₀(P₁ / P₂), where P₁ and P₂ are the relative intensities.
Etymology
From deci- + bel.
Regional Pronunciation
- American English: /ˈdɛsɪbɛl/