Avogadro

American  

[ah-vuh-gah-droh, ah-vaw-gah-draw] / ˌɑ vəˈgɑ droʊ, ˌɑ vɔˈgɑ drɔ /

noun

1. Count Amadeo 1776–1856, Italian physicist and chemist.

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Avogadro British  

/ ˌævəˈɡɑːdrəʊ, avoˈɡaːdro /

noun

1. Amedeo (ameˈdɛːo), Conte di Quaregna. 1776–1856, Italian physicist, noted for his work on gases

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Avogadro Scientific  

/ ä′və-gä′drō /

1. Italian chemist and physicist who formulated the hypothesis known as Avogadro's law in 1811.

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Example Sentences

“Maybe the roundest in the universe,” Joachim Ullrich, the physicist who runs the German metrological institute and oversees the Avogadro Project, told me.

From The New Yorker • Nov. 15, 2018

An international coalition of metrological laboratories known as the Avogadro Project has produced silicon spheres of near-perfect purity and crystal structure, each weighing precisely one kilogram.

From The New Yorker • Nov. 15, 2018

It was Avogadro who developed the idea of a fixed number of atoms and molecules in a mole, and this special number is called Avogadro’s number in his honor.

From Textbooks • Aug. 12, 2015

Researchers with a kilogram-definition initiative called the Avogadro Project are trying bridge this gap by fashioning spheres of silicon containing precise numbers of atoms.

From Science Magazine • Jan. 11, 2013

The principle led to the much later adoption of Avogadro’s number, a basic unit of measure in chemistry, which was named for Avogadro long after his death.

From "A Short History of Nearly Everything" by Bill Bryson