flottement

/flɔt.mɑ̃/
1.
nounmasculine

hesitation

momentary pause or uncertainty (in speech, decision, a situation)

Il y a eu un petit flottement avant qu'il ne réponde à ma question.

There was a brief moment of hesitation before he answered my question.

2.
nounmasculine

looseness, play or wobble in a mechanism; instability or slackness (also used for a loose/flapping movement of fabric)

On sent un léger flottement dans la direction de la voiture quand la route est abîmée.

You can feel a slight wobble in the car's steering when the road is rough.