Avogadro(redirected from A's number, A's constant)
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A·vo·ga·dro(ä′və-gä′drō, ä′vō-), Amedeo 1776-1856.
Italian chemist and physicist who advanced the hypothesis that has come to be called Avogadro's law (1811). From this hypothesis other physicists were able to calculate Avogadro's number.
Avogadro(ˌævəˈɡɑːdrəʊ; Italian avoˈɡaːdro)
(Biography) Amedeo (ameˈdɛːo), Conte di Quaregna. 1776–1856, Italian physicist, noted for his work on gases
A•vo•ga•dro(ˌɑ vəˈgɑ droʊ)
Count Amadeo, 1776–1856, Italian physicist and chemist.