
• (a.) Of or pertaining to a sulphamide; derived from, or related to, a sulphamide; specifically, designating an amido acid derivative, NH2.SO2.OH, of sulphuric acid (analogous to sulphonic acid) which is not known in the free state, but is known in its salts.
Found on 
http://thinkexist.com/dictionary/meaning/sulphamic/
 Sulph·am'ic  adjective  (Chemistry)
Sulph·am'ic  adjective  (Chemistry) Of or pertaining to a sulphamide; derived from, or related to, a sulphamide; specifically, designating an amido acid derivative, NH
 2 .SO
 2 .OH, of sulphuric acid (analogous to sulphonic acid) which is not known in the free state, but is known...
Found on 
http://www.encyclo.co.uk/webster/S/235
  No exact match found.