“+ noun
Etymology: retroact ive + -ion
1. : retroactive or retrospective operation (as of a law or tax)
2.
[ retro- + action ]
: a reciprocal action : reaction
“+ noun
Etymology: retroact ive + -ion
1. : retroactive or retrospective operation (as of a law or tax)
2.
[ retro- + action ]
: a reciprocal action : reaction
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012