See Also: retroaction(dictionary)

retroaction (iou)



retroaction noun. L16.
[formed as RETROACT + ACTION. Cf. French retroaction.]
(A) return action, (a) reaction, (a) response. L16.
b. Psychology. The (usu. deleterious) effect of later learning on the memory of what was learned previously. M20.
A retrospective action. Now rare. E18.
? Sense 1 in isolated use before E19.