equalizing dividend

An additional dividend paid to eligible stockholders when their divided income is reduced due to a change the board of directors makes to the dividend payment schedule.

Investopedia Says:
Equalizing dividends are paid to shareholders to compensate them for any dividend income lost from the change.

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Special dividend paid to compensate investors for income lost because a change was made in the quarterly dividend payment schedule.

The noun has one meaning:

Meaning #1: a dividend paid to compensate shareholders for losses resulting from a change in the dividend schedule