English noun: photometer | |||
| 1. | photometer (artifact) measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source | ||
| Broader (hypernym) | measuring device, measuring instrument, measuring system | ||
| Narrower (hyponym) | spectrophotometer | ||
| 2. | photometer (artifact) photographic equipment that measures the intensity of light | ||
| Synonyms | exposure meter, light meter | ||
| Broader (hypernym) | photographic equipment | ||
| Narrower (hyponym) | cytophotometer | ||