The chemical reactions and pathways resulting in the breakdown of any one of a family of organic molecules consisting of a purine or pyrimidine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside). [ GOC:jl ]
Synonyms: nucleoside degradation nucleoside catabolism nucleoside breakdown
This is just here as a test because I lose it