friction
US /ˈfrɪk.ʃən/
UK /ˈfrɪk.ʃən/

1.
friction, frottement
the resistance that one surface or object encounters when moving over another
:
•
The car tires need good friction to grip the road.
Les pneus de voiture ont besoin d'une bonne friction pour adhérer à la route.
•
Applying oil reduces the friction between moving parts.
L'application d'huile réduit la friction entre les pièces mobiles.
2.
friction, conflit
conflict or animosity caused by a clash of wills, temperaments, or opinions
:
•
There was a lot of friction between the two departments.
Il y avait beaucoup de friction entre les deux départements.
•
Their differing opinions caused considerable friction.
Leurs opinions divergentes ont causé des frictions considérables.