Also known as: RA#, RA...
RA stands for various terms. Discover the full forms, meanings, and possible interpretations of RA across different fields and industries.
The price of a transport service. Quantity, amount or degree measured or applied. Old scale for classing of warships Based on number of guns carried; first rate carried 100 or more guns; fifth rate carried 32 to 40 Lowest rate was 'sixth'. Rate of a chronometer is the amount it gains or loses in 24 hrs
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