Definition of Aston, Francis William in English:

Aston, Francis William

Syllabification: As·ton, Francis William
Pronunciation: /ˈastən
( 1877–1945), English physicist. He invented the mass spectrograph (with J. J. Thomson) and eventually discovered many of the 287 naturally occurring isotopes of nonradioactive elements. Nobel Prize for Chemistry (1922).

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Word of the day oleaginous
Pronunciation: ˌəʊlɪˈadʒɪnəs
rich in, covered with, or producing oil; oily