Dictionary

RI

abbreviation

Definition of RI

1
refractive index
2
Rhode Island
ADVERTISEMENT
RI Defined for Kids

RI

abbreviation

Definition of RI for Kids

Rhode Island

Browse

Next Word in the Dictionary: RIAPrevious Word in the Dictionary: rhytonAll Words Near: RI
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears