Englishfor English speakers
Abraham
Proper noun
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Abraham is a male given name.
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Abraham was the founder of the Hebrew nation.
roentgen
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noun
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
Roentgen
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noun
German physicist who discovered x-rays and developed roentgenography (1845-1923)