Lauritsen electroscope

noun

Lau·​rit·​sen electroscope

ˈlau̇|rə̇tsən-,

ˈlȯ|,

ˈlä|

: an electroscope in which the sensitive element is a quartz fiber used in precise measurements of ionizing radiation

Word History

Etymology

after Charles C. Lauritsen †1968 and Thomas Lauritsen, born 1915 American physicists born in Denmark, who designed it

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now