First Known Use: 1877
Dictionary
ra
abbreviation
Definition of RA
range
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1Ra
noun \ˈrä\
Definition of RA
: the Egyptian sun god and chief deity
Origin of RA
Egyptian rʽ
Other Religion (Eastern and Other) Terms
2Ra
symbol
Definition of RA
radium
Other Chemical Engineering Terms
RA
abbreviation
Definition of RA
1
regular army
2
right ascension
3
Royal Academician; Royal Academy
4
residence assistant; resident assistant
5
research assistant
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