absorptivity
- n (physics) the property of a body that determines the fraction of the incident radiation or sound flux absorbed or absorbable by the body
abstainer
- n someone who practices self denial as a spiritual discipline
- n a person who refrains from drinking intoxicating beverages
abstemiousness
- n restricted to bare necessities
- n moderation in eating and drinking
abstinence
- n the trait of abstaining (especially from alcohol)
- n act or practice of refraining from indulging an appetite