Definition of "Withdrawal" :

noun: the act of withdrawing

"The withdrawal of French troops from Vietnam."

noun: the termination of drug taking

noun: formal separation from an alliance or federation

noun: a method of birth control in which coitus is initiated but the penis is deliberately withdrawn before ejaculation

noun: the act of ceasing to participate in an activity

noun: the act of taking out money or other capital

noun: the act of withdrawing blood, tumors, etc.

"The nurse was expert at the withdrawal of blood."

noun: a retraction of a previously held position

noun: avoiding emotional involvement