densitometer

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a measuring instrument for determining optical or photographic density
• Hypernyms:
measuring instrument, measuring system, measuring device
• Hyponyms:
microphotometer
2. a measuring instrument for determining density or specific gravity
• Syn:
densimeter
• Hypernyms:
measuring instrument, measuring system, measuring device
• Hyponyms:
dasymeter