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Ra1 British & World English

The sun god, the supreme Egyptian deity, worshipped as the creator of all life and typically portrayed with a falcon’s head bearing the solar disc. From earliest times he was associated with the pharaoh

Ra2 British & World English

The chemical element radium

RA British & World English

Argentina (international vehicle registration)

Ra2 New Oxford Dictionary for Writers & Editors

the chemical element radium

radium British & World English

The chemical element of atomic number 88, a rare radioactive metal of the alkaline earth series. It was formerly used as a source of radiation for radiotherapy

Ra in radium British & World English

The chemical element of atomic number 88, a rare radioactive metal of the alkaline earth series. It was formerly used as a source of radiation for radiotherapy

right ascension British & World English

The distance of a point east of the First Point of Aries, measured along the celestial equator and expressed in hours, minutes, and seconds

radium New Oxford Dictionary for Writers & Editors

chemical element of atomic number 88


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