Dictionary
Rus•ka
Pronunciation: (rus'ku; Ger. roos'kä), [key]—
n.
Ernst (Au•gust Frie•drich) Pronunciation: (ernst ou'goost frē'drikh), [key] 1906–88, German physicist and electrical engineer: developed electron microscope; Nobel prize 1986.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.