réfracti-f, -ve, adj., refractive.
réfraction, n.f., (phys.) refraction.
refrain, n.m., refrain, burden of a song; constant theme; (nav., l.u.) rolling back of billows (after breaking on rocks), surf. C’est son — continuel; it is his constant theme; he is always harping upon it.
refrangibilité, n.f., refrangibility.
réfrangible, adj., refrangible.
refrapper, v.n., to strike again, to knock again. — la monnaie; to restamp coin.
refréner, v.a., to bridle, to restrain; to curb, to repress.
réfrigérant, -e, adj., refrigerant. Mélange —; freezing mixture.
réfrigérant, n.m., (med.) refrigerant.
réfrigérati-f, -ve, adj., (med.) refrigerative.