INDUSTRY|chemistry
- caitian amóiniam ceathartha Tagairt Faomhadh an téarma seo mar chuid de Thionscadal Lex
- ga
- quaternary ammonium cation | quaternary ammonium
- en
- Sainmhíniú "positively charged polyatomic ion of the structure NR4+, R being an alkyl group or an aryl group" Tagairt "Wikipedia > Quaternary ammonium cation (10.5.2021)"
- ammonium quaternaire
- fr
- Nóta anti-bactérien