| dimensionless | (adj) ไม่มีขนาด |
| dimensionless number | จำนวนไร้มิติ [คณิตศาสตร์๑๙ ก.ค. ๒๕๔๗] |
| Dimensionless | a. Without dimensions; having no appreciable or noteworthy extent. Milton. [ 1913 Webster ] |
| 無次元数 | [むじげんすう, mujigensuu] (n) dimensionless number; dimensionless quantity [Add to Longdo] |