| refractometer | มาตรดรรชนีหักเห [พลังงาน ๒๖ ม.ค. ๒๕๔๕] |
| refractometer | (n) measuring instrument for measuring the refractive index of a substance |
| Refractometer | n. [ Refraction + -meter. ] (Opt.) A contrivance for exhibiting and measuring the refraction of light. [ 1913 Webster ] |