Einstein

biographical name
Ein·​stein | \ˈīn-ˌstīn \

Definition of Einstein 

Albert 1879–1955 American (German-born) physicist

Other Words from Einstein

Einsteinian \īn-​ˈstī-​nē-​ən \ adjective

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einstein

noun
ein·​stein | \ˈīn-ˌstīn \

Medical Definition of einstein 

: the radiant energy of a given frequency required to effect the complete photochemical transformation of one mole of a photosensitive substance being equal to about 0.004 erg second times the frequency in question

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