1. A measure of the rate of decrease in the intensity of electromagnetic radiation (as light) as it passes through a given substance; the fraction of incident radiant energy absorbed per unit mass or thickness of an absorber
   "absorptance equals 1 minus transmittance"
   - absorption coefficient, coefficient of absorption

Derived forms: absorptances

Type of: coefficient

• edging
• edgy
• edh
• edibility
• edible
• edible asparagus
• edible banana
• edible bean
• edible cockle
• edible corn
• edible fat
• edible fruit
• edible mussel
• edible nut
• edible sea urchin
• edible seed
• edible snail
• edible-pod pea
• edible-podded pea
• edibleness
• edict
• edictal
• edification
• edifice
• edified