Origin of number one
Examples from the Web for number one
The musical promise of eternal youth sold to the tune of 5.5 million copies and five number-one singles.‘Prism’ Review: Katy Perry Perfects the Pop Blockbuster|Kevin Fallon|October 22, 2013|DAILY BEAST
But after logging her eighth number-one single, Katy Perry might be the biggest pop star of her time.
My husband in my number-one priority and I his; why would we want to change this so we can be slaves to a child?Why I Choose to Be Child-Free: Readers Share Their Stories|Harry Siegel|February 27, 2013|DAILY BEAST
But the number-one thing rats want to be around is people, people who drop garbage on the ground.
The voting portion of the contest ended yesterday, and I swept the number-one spot.
Liu, the son of Kwong, followed him up-river and obtained a place in his household as pidgeon-cook, assistant to number-one cook.Civilization|Ellen Newbold La Motte
Roger hurried along with Astro to the number-one boat and climbed inside.
You ought to be mighty proud because all men think you are a number-one musher.Smoke Bellew|Jack London
You've got thirty tons of fuel—you want to find the compression ratio of the number-one firing-tube chamber—so what do you do?
Then from the bundle come strings of pearls, translucent jade of "number-one" quality, snuff-bottles fit for a museum.Peking Dust|Ellen N. La Motte