francis william aston
tən noun
Francis William, 1877–1945, English physicist and chemist: Nobel prize for chemistry 1922.
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World English Dictionary
Aston (ˈæstən) ![[Click for IPA pronunciation guide]](http://static.sfdict.com/dictstatic/g/d/dictionary_questionbutton_default.gif) | |
| —n | |
| Francis William. 1877--1945, English physicist and chemist, who developed the first mass spectrograph, using it to investigate the isotopic structures of elements: Nobel prize for chemistry 1922 | |
Collins English Dictionary - Complete & Unabridged 10th Edition
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2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Francis william aston
is always a great word to know.
So is doohickey. Does it mean:
| a gadget; dingus; thingumbob. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
Encyclopedia Britannica
Encyclopedia
francis william aston
British physicist who won the Nobel Prize for Chemistry in 1922 for his development of the mass spectrograph, a device that separates atoms or molecular fragments of different mass and measures those masses with remarkable accuracy. Aston used the mass spectograph to discover a large number of nuclides, or nuclear species that differ in mass. The mass spectrograph is widely used in geology, chemistry, biology, and nuclear physics.
Learn more about Aston, Francis William with a free trial on Britannica.com.
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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