Word Pronunciation & Dictionary

perfect fourth

Word Rarity Uncommon

Frequency: Zipf frequency 4.68 in modern English

Syllables: per-fec-t -fourth
IPA

26

Scrabble Score

13

Letters

4

Syllables

9

Unique Chars

Meaning

noun

A musical interval spanning four degrees of the diatonic scale. In the Western twelve-semitone system, it consists of five standard semitones.

Example Sentences

"The perfect fourth has a pitch ratio close to 4:3."

Etymology

The word perfect refers to intervals that are neither major nor minor.

Inflected Forms

perfect fourths (plural)

Phrases

augmented fourth diminished fourth

Frequently Paired Words

augmented fourth diminished fourth

Synonyms

P4

Questions

What does perfect fourth mean?: A musical interval spanning four degrees of the diatonic scale. In the Western twelve-semitone system, it consists of five standard semitones.
Where does perfect fourth come from?: The word perfect refers to intervals that are neither major nor minor.

How to pronounce perfect fourth

Open the pronunciation page — Open the Speakur entry for “perfect fourth”.
Read the phonetic spelling — Read the IPA spelling () so you know which sounds to aim for.
Play the audio — Click Play to hear reference audio for “perfect fourth”.
Repeat and practice — Say “perfect fourth” aloud, matching stress and vowels until it feels natural.