Definitions
1.nounA pardon of a sin; the forgiveness of an offence, or relinquishment of a (legal) claim or a debt.
2.nounA lessening of amount due, as in either money or work, or intensity of a thing.
3.nounAn act of remitting, returning, or sending back.
4.noun(spectroscopy) Reflection or scattering of light by a material; reemission.