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Crookes

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Noun

1. crookes, sir william crookes, william crookes

English chemist and physicist; discovered thallium; invented the radiometer and studied cathode rays (1832-1919)

WordNet Lexical Database for English. Princeton University. 2010.

Crookes

see synonyms of crookes
noun
Sir William. 1832–1919, English chemist and physicist: he investigated the properties of cathode rays and invented a type of radiometer and the lens named after him

Collins English Dictionary. Copyright © HarperCollins Publishers

Crookes

see synonyms of crookes
Sir William1832-1919; Eng. chemist & physicist

Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.

Crookes

see synonyms of crookes
British chemist and physicist who discovered thallium (1861), invented the radiometer (1875), and studied cathode rays.

The American Heritage ® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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