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ra

abbreviation (1)

Definition of ra

 (Entry 1 of 4)

range

Ra

noun
\ ˈrä How to pronounce Ra (audio) \

Definition of Ra (Entry 2 of 4)

: the Egyptian sun god and chief deity

Ra

symbol

Definition of Ra (Entry 3 of 4)

radium

RA

abbreviation (2)

Definition of RA (Entry 4 of 4)

1 regular army
2 research assistant
3 residence assistant; resident assistant
4 rheumatoid arthritis
5 right ascension
6 Royal Academician; Royal Academy

First Known Use of ra

Noun

1877, in the meaning defined above

History and Etymology for ra

Noun

Egyptian rʽ

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More Definitions for ra

Ra

symbol

Medical Definition of Ra

 (Entry 1 of 2)

radium

RA

abbreviation

Medical Definition of RA (Entry 2 of 2)

rheumatoid arthritis

More from Merriam-Webster on ra

Britannica.com: Encyclopedia article about ra

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