a. [ Phosphoric + sulphonic. ] (Chem.) Pertaining to, or designating, certain derivatives of phosphorous acid containing a hydrocarbon radical with the phosphorus directly bonded to a carbon, and analogous to the sulphonic acids; as, methanephosphonic acid, CH3.PO.(OH)2. [ 1913 Webster + PJC ]
[あリンさん(亜リン酸);ありんさん(亜燐酸), a rin san ( a rin san ); arinsan ( a rin san )](n, adj-no) (See ホスホン酸) phosphonic acid (H3PO3); phosphorous acid[Add to Longdo]