fifths

noun

plural of fifth; one of five equal parts of something
musical intervals of five diatonic degrees

Usage: music

bottles containing one-fifth of a gallon of liquor

Usage: informal

Examples

She divided the pizza into fifths so everyone could have an equal share.
Three-fifths of the students passed the exam.
The composer used parallel fifths in the harmony.
Perfect fifths create a stable, consonant sound.
He bought two fifths of whiskey for the party.
The store sells fifths and handles of various spirits.
Two-fifths of the budget went to salaries.