Rutherford meaning

rŭthər-fərd
A unit for measuring radioactive decay, equal to the mass (of a given substance) required to give off one million disintegrations per second; one million becquerels: symbol, rd.
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(person) 1869-1942; U.S. leader of Jehovah's Witnesses.
proper name
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A unit expressing the rate of decay of radioactive material, equal to one million disintegrations per second, or one million becquerels.
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(person) Baron Rutherford of Nelson 1871-1937; Brit. physicist, born in New Zealand.
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An obsolete unit of radioactivity (symbol: rd), defined as the activity of a quantity of radioactive material in which one million nuclei decay per second.
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A Scottish habitational surname from a place where there was once a settlement in the Scottish borders.
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Origin of rutherford

  • After Ernest Rutherford

    From American Heritage Dictionary of the English Language, 5th Edition

  • Old English hryðer (“cattle") + ford (“ford").

    From Wiktionary

  • After Ernest Rutherford.

    From Wiktionary