Avogadro

[ah-vuh-gah-droh; Italian ah-vaw-gah-draw] /ˌɑ vəˈgɑ droʊ; Italian ˌɑ vɔˈgɑ drɔ/
noun
1.
Count Amadeo
[ah-mah-de-aw] /ˌɑ mɑˈdɛ ɔ/ (Show IPA),
1776–1856, Italian physicist and chemist.
British Dictionary definitions for Avogadro

Avogadro

/ˌævəˈɡɑːdrəʊ; Italian avoˈɡaːdro/
noun
1.
Amedeo (ameˈdɛːo), Conte di Quaregna. 1776–1856, Italian physicist, noted for his work on gases
Avogadro in Science
Avogadro
  (ä'və-gä'drō)   
Italian chemist and physicist who formulated the hypothesis known as Avogadro's law in 1811.