Fifth

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Fifth

A unit of liquid volume equivalent to one-fifth of one gallon. It is used in the sale of liquor.
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References in periodicals archive ?
For example, E-C is either a third or sixth (consonant--C), while G-D is either a perfect fourth (dissonant--D) or perfect fifth (consonant--C).
When it seemed impossible to close into a perfect Fifth she would remind us, "Don't forget your Fifth Positions!" Ms.
Equally important to Pythagoras was the 2:3 ratio between the tones of the "perfect fifth" (the opening notes of "My Favorite Things") and the 3:4 ratio in the "perfect fourth" (the start of "Auld Lang Syne").
Particularly noteworthy is the perfect fifth between the bass and treble sustained for nine beats while the tenor melody moves, creating a drone-like effect.