Jolly balance

American  

[jol-ee, yol-ee] / ˈdʒɒl i, ˈyɒl i /

noun

1. a spring balance used for determining the density of a sample by comparison of its weight in air and water.

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Etymology

Origin of Jolly balance

Named after Philipp von Jolly (died 1884), German physicist

Example Sentences

You said you wanted to make a Jolly balance determination of the specific gravity, but the stuff is so dense you'd need only a tiny scrap—and I can't break it loose!”

From Project Gutenberg

Here he set up his Jolly balance, and began to work on the fragment.

From Project Gutenberg