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roentgen
Definitions
[ˈrɒntɡən], (Noun)
Definitions:
- a unit of ionizing radiation, the amount producing one electrostatic unit of positive or negative ionic charge in one cubic centimetre of air under standard conditions
Phrases:
Origin
:
1920s: named after Wilhelm Conrad Röntgen (1845–1923), German physicist, discoverer of X-rays
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definition by Oxford Dictionaries