| Semimetal | n. (Chem.) An element possessing metallic properties in an inferior degree and not malleable, as arsenic, antimony, bismuth, molybdenum, uranium, etc. [ Obs. ] [ 1913 Webster ] |
| Semimetallic | a. (Chem.) Of or pertaining to a semimetal; possessing metallic properties in an inferior degree; resembling metal. [ 1913 Webster ] |