n.
1.(chemistry) a process in which one substance permeates another
2.(physics) the process in which incident radiated energy is retained without reflection or transmission on passing through a medium
3.the social process of absorbing one cultural group into harmony with another
4.the process of absorbing nutrients into the body after digestion
5.complete attention
6.the mental state of being preoccupied by something
Idiom of the Day
watch over (someone or something)
to monitor or guard (someone or something)
I watched over the class while the teacher was at a meeting.