RSE
English
Noun
RSE (uncountable)
- (chemistry) Initialism of ring strain energy.
- (UK, education) Initialism of relationships and sex education.
Synonyms
- (education): SRE
Coordinate terms
- (education): sex education
Proper noun
RSE
- (fandom slang) Initialism of Pokémon Ruby, Sapphire and Emerald.