the atomic process that occurs during a chemical reaction
the technical aspects of doing something
a natural object resembling a machine in structure or function
(military) military action or resources protecting a country against potential enemies
(sports) the team that is trying to prevent the other team from scoring
the justification for some act or belief
(psychiatry) an unconscious process that tries to reduce the anxiety associated with instinctive desires
the speech act of answering an attack on your assertions
the federal department responsible for safeguarding national security of the United States; created in 1947
