ab·sorp·tance 
(əb-zôrptəns, -sôrp-)
(əb-zôrptəns, -sôrp-)n.
The ratio of absorbed to incident radiation.
[ABSORPT(ION) + -ANCE.]
- extent
- extenuate
- extenuation
- extenuative
- extenuator
- extenuatory
- exterior
- exterior angle
- exteriority
- exteriorize
- exteriorly
- exterminate
- extermination
- exterminative
- exterminator
- exterminatory
- extern
- external
- external auditory canal
- external capsule
- external-combustion engine
- external ear
- externalism
- externalist
- externality