See also: elr English Etymology Abbreviation. Adjective ELR (not comparable) Initialism of extended long range Coordinate terms: ER, LR, IR, MR, SR Alternative form of XLR: Initialism of extra long range Coordinate terms: ULR, LR, ER Initialism of extreme long range Coordinate terms: LR, MR, SRWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads