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Pronunciation varies by accent · noun
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..
Use rutherford when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Rutherford means 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..
Common synonyms include megabecquerel.
The opposite depends on the specific sense.
Use rutherford where its definition matches the intended context.
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