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roentgen

Syllabification: (roent·gen)
(abbreviation: R)
Definition of roentgen

noun

  • a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimeter of air under standard conditions.

Origin:

1920s: named after Wilhelm Conrad Röntgen (see Röntgen, Wilhelm Conrad)

roentgen in other Oxford dictionaries

Definition of roentgen in the British & World English dictionary
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