释义 |
lau·rit·sen electroscope \ˈlau̇]rə̇tsən-, ˈlȯ], ˈlä]\ noun Usage: usually capitalized L Etymology: after Charles C. Lauritsen died 1968 and Thomas Lauritsen b1915 American physicists born in Denmark, who designed it : an electroscope in which the sensitive element is a quartz fiber used in precise measurements of ionizing radiation |