photometer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. measuring instrument for measuring the luminous intensity of a source by comparing it (visually or photoelectrically) with a standard source
• Hypernyms:
measuring instrument, measuring system, measuring device
• Hyponyms:
spectrophotometer
2. photographic equipment that measures the intensity of light
• Syn:
light meter, exposure meter
• Hypernyms:
photographic equipment
• Hyponyms:
cytophotometer

• Từ đồng nghĩa / Synonyms:
  light meter, exposure meter