Ra definition

The ancient Egyptian sun god, the supreme deity represented as a man with the head of a falcon crowned with a solar disk and uraeus.
noun
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(egypt. myth., person, proper) The sun god and principal deity: usually depicted as having the head of a hawk and wearing the solar disk as a crown.
noun
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Right ascension.
abbreviation
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Regular army.
abbreviation
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Ra is the ancient Egyptian sun god, or is short for the element radium.

An example of Ra is the Egyptian god who had a hawk head.

An example of Ra is an element that is studied by chemists.

noun
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Rear Admiral.
abbreviation
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Residence assistant.
abbreviation
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1
Royal Academician.
abbreviation
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1
Royal Academy.
abbreviation
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1
Radium.
symbol
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(astron.) Right ascension.
abbreviation
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Obsolete spelling of era.
noun
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In a public key infrastructure (PKI), an entity that verifies the certificate authority (CA) prior to the issuance of a digital certificate to the requesting party. See also CA, digital certificate, and PKI.
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Other Word Forms

Noun

Singular:
ra
Plural:
RAS

Origin of ra

  • Egyptian r‘ sun, Ra

    From American Heritage Dictionary of the English Language, 5th Edition