Share this entry

Share this page

Crookes, Sir William

Line breaks: Sir Wil|liam Crookes

Entry from British & World English dictionary

Definition of Crookes, Sir William in English:

( 1832–1919), English physicist and chemist. In 1861 he discovered the element thallium. This led him indirectly to the invention of the radiometer in 1875. He later developed a vacuum tube (the precursor of the X-ray tube) and in 1903 invented the spinthariscope.

Definition of Crookes, Sir William in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day tenebrous
Pronunciation: ˈtenəbrəs
adjective
dark; shadowy or obscure