| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
| |
| retroactive |
| |
| SYLLABICATION: | ret·ro·ac·tive |
| PRONUNCIATION: |  r t r - k t v |
| ADJECTIVE: | Influencing or applying to a period prior to enactment: a retroactive pay increase. | | ETYMOLOGY: | French rétroactif, from Latin retro ctus, past participle of retroagere, to drive back : retr-, retro- + agere, to drive; see ag- in Appendix I. | | OTHER FORMS: | retro·active·ly —ADVERB
retro·ac·tivi·ty —NOUN
| | |
| |
| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
|
|
