immunité (im-mu-), n.f., immunity.
immutabilité (im-mu-), n.f., immutability, unchangeableness.
impact, n.m., (mech.) impact.
impair, -e, adj., odd, uneven.
impairement (in-pèr-mān), adv., (math.) unevenly, oddly.
impalpabilité, n.f., impalpability.
impalpable, adj., impalpable.
impanation, n.f., (theol.) impanation.
impané, -e, adj., impanate.