ra

1 of 4

abbreviation (1)

range

Ra

2 of 4

noun

ˈrä How to pronounce Ra (audio)
: the Egyptian sun god and chief deity

Ra

3 of 4

symbol

radium

RA

4 of 4

abbreviation (2)

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

Word History

Etymology

Noun

Egyptian rʽ

First Known Use

Noun

1877, in the meaning defined above

Time Traveler
The first known use of ra was in 1877

Dictionary Entries Near ra

RA

ra

Ra's al Khaymah

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Cite this Entry

“Ra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ra. Accessed 30 Nov. 2024.

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Medical Definition

Ra

1 of 2 symbol
radium

RA

2 of 2 abbreviation
rheumatoid arthritis

More from Merriam-Webster on ra

Britannica.com: Encyclopedia article about ra

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