RN | |
abbr. | research note; round-nosed; Royal Navy |
abbr. busin. | Requisition Number |
abbr. cardiol. | remote navigation |
abbr. chem. | Reynold's number |
abbr. comp., net. | resource number |
abbr. dent.impl. | Regular Neck |
abbr. med. | Registered Nurse |
abbr. oil | ring nitration |
Argentina | |
abbr. | Arg |