| diastem | ชั้นว่างตะกอน [ธรณีวิทยา๑๔ ม.ค. ๒๕๔๖] |
| Diastem | n. [ L. diastema, Gr. &unr_;, fr. &unr_;: cf. F. diastème. ] |
| Diastema | ‖n. [ L. See Diastem. ] (Anat.) A vacant space, or gap, esp. between teeth in a jaw. [ 1913 Webster ] |
| diastema | (n) a gap or vacant space between two teeth |