• Webster's Revised Unabridged Dictionary
    • Retroaction Action returned, or action backward.
    • Retroaction Operation on something past or preceding.
    • ***
Century Dictionary and Cyclopedia
    • n retroaction Action which is opposed or contrary to the preceding action; retrospective reference.
    • ***


Webster's Revised Unabridged Dictionary
Cf. F. rétroaction,


In literature:

EPITAPH, n. An inscription on a tomb, showing that virtues acquired by death have a retroactive effect.
"The Devil's Dictionary" by Ambrose Bierce
Milner contended for a five years' retroactive franchise, with provisions to secure adequate representation for the mining districts.
"The Great Boer War" by Arthur Conan Doyle
Idea of flame might have been a retroactive hallucination.
"The Mystery" by Stewart Edward White and Samuel Hopkins Adams
Priority, retroaction, the opposition of agents, unity, stability and rhythm.
"Delsarte System of Oratory" by Various
There's an extradition treaty coming, but then there'd have to be a retroactive clause to do you any good.
"Murder in Any Degree" by Owen Johnson
It is to these people, and by retroaction, to yourselves, that you do harm when you govern unjustly.
"Superstition In All Ages (1732)" by Jean Meslier
So then I realised where Juggins retroactive existence is carrying him to.
"Behind the Beyond" by Stephen Leacock
The matter is so generally recognised that it has a sort of retroactive effect upon the historical ideas of the masses.
"The Cult of Incompetence" by Emile Faguet
You see we made the law sufficiently retroactive to grab the whole bunch.
"Alice in Blunderland" by John Kendrick Bangs
That woman could not retroact and touch the memory of Ida.
"Stories by American Authors, Volume 7" by Various

In poetry:

Done with the varying distress
Of retroactive consciousness!
Set free to feel the joy unknown
Of Life and Love beyond my own!
"Eternal Me" by Charlotte Perkins Stetson Gilman

In news:

CMS Updates Vaccine, Medication Payment Files Retroactive to July 2009.
First off, issuers will no longer be able to retroactively hike your credit-card interest rate, making it much easier for you to get out of debt.
Homebuyer Credit Not Retroactive .
Why aren't benefit improvements retroactive .
New AFGE president suggests retroactive pay raise for feds.
Yes transparency, just not retroactive donor naming.
The Miami-based cruise operator has agreed to pay the employees' wages retroactively to a total of $526,602.
Ryan Winkler, DFL-Golden Valley, was critical of Republican House leaders who took shutdown pay -- before he got a full retroactive paycheck for July.
Tort Claims Act doesn't apply retroactively .
Company Cannot Retroactively Terminate Benefits Following FMLA Leave.
The Willits City Council announced September 26 it had reached agreement with the last employee group for a two percent wage increase for all workers retroactive to July 1.
A "Concerned Citizen" wants to know more details on how Prop 30's retroactive change to income tax affects him.
The Twins placed righthanded starting pitcher Scott Baker on the 15-day disabled list retroactive to March 27 with right elbow tendinitis.
Homebuyer Credit Not Retroactive.
Juvenile life sentence ban not retroactive, COA says.

In science:

Proactive interference refers to prior learning interfering with subsequent learning; retroactive interference refers to post hoc learning confounding the prior learning (Wickens & Hollands, 2000).
Human Information Processing with the Personal Memex
This contributes an effective additional force field in the vicinity of R α , which in turn retroacts on β , leading to an induced hydrodynamic interaction that remains finite at all times.
Screening of hydrodynamic interactions for polyelectrolytes in salt solution
Del Vecchio D, Ninfa A, Sontag E: Modular cell biology: retroactivity and insulation.
TinkerCell: Modular CAD Tool for Synthetic Biology
Read-once CFTP may be viewed as a retroactive stopping rule.
How to Couple from the Past Using a Read-Once Source of Randomness
Abhijit S. thanks for support provided by NASA of the retroactive analysis WFPC2 photometry zero-points through grant HST-AR-09216.01A from the Space Telescope Science Institute, which is operated by the Association of Universities for Research in Astronomy, Inc., under NASA contract NAS 5-26555.
The Hubble Constant: A Summary of the HST Program for the Luminosity Calibration of Type Ia Supernovae by Means of Cepheids