from The American Heritage® Dictionary of the English Language, 4th Edition
- Crookes, Sir William 1832-1919. British chemist and physicist who discovered thallium (1861), invented the radiometer (1875), and studied cathode rays.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)
Sorry, no etymologies found.