friction friction /ˈfrɪkʃən/

noun

1. () A state of conflict between persons  ( clash , friction )
   a state of conflict between persons
   
2. Effort expended in moving one object over another with pressure  ( detrition , friction , rubbing )
   effort expended in moving one object over another with pressure
   
   
3. The resistance encountered when one body is moved in contact with another  ( friction , rubbing )
   the resistance encountered when one body is moved in contact with another