Having power capability or habit of absorb or imbibe
- having energy or capacity or tendency to absorb or soak up one thing (fluids or power etc.)
- Having power, capacity, or habit of take in or imbibe.
(a.) Having energy, ability, or habit of soak up or imbibe.
Thus if the body absorbed half the incident radiation its absorptive power would be 2, and if it absorbed all the incident radiation its absorptive power would be r.