1. (physics) a measure of the extent to which a substance transmits light or other electromagnetic radiation
   - optical density, photographic density, absorbance

Type of: denseness, density

• chondrin
• chondriosome
• chondrite
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• chondrodystrophy
• chondroma
• chondrosarcoma
• chondrule
• Chondrus
• Chondrus crispus
• Chongqing
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