Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co.
(shortened form of RETroactive CONtinuity; first made popular in the comic book world) 1.
Thus, Appendix A describes fully the processes that were involved in developing the standards, and it documents the minority views that were expressed.
Given the centrality of the process- product dialectic, and the fact that the principles underscoring the standards emerged, to a large extent, out of the processes, it is vital that the standards are read in conjunction with Appendices A and B.
Invalidation is emotionally upsetting for anyone, but particularly hurtful for someone who is emotionally sensitive.
For example, a shy child growing up in an outgoing, talkative family may be teased and taunted because she's quiet and keeps to herself.
At the opposite end of the range of emotional invalidation experiences, parents may deliberately neglect their children or inflict extreme emotional or physical abuse on them as punishment for expressing their emotions.
(original meaning) Adding information to the back story of a fictional character or world, without invalidating that which had gone before. (more common usage) Adding or altering information regarding the back story of a fictional character or world, regardless of whether the change contradicts what was said before.1.
Although they had previously been shown to have two other sets of parents, the retcon of making Quicksilver and the Scarlet Witch the children of Magneto only altered the meaning of past events, not what had happened. Retconning Dawn Summers into "Buffy the Vampire Slayer" in the fifth season was one of the rare instances where the fact that history has been altered for our characters was recognized in the story, even though the characters all still remembered the "new" versions of events.