Definition of "equalization"

The act of equalizing, or state of being equalized.  examples

(underwater diving) Maneuvers to balance the pressure in the middle ear with the outside pressure by letting air enter along the Eustachian tubes.  examples

(finance) Repayment to an investor in a unit trust or OEIC of an increase in the unit price to cover the seller’s entitlement to income received from the underlying investments but not yet distributed to unit holders, repaid as part of the first distribution of income to that investor.  examples