recrudescence

noun

1. (countable, uncountable)The condition or state being recrudescent; the condition of something (often undesirable) breaking out again, or re-emerging after temporary abatement or suppression.

   “The population of particular countries, or districts of country, may be given up to less improving pursuits than those of agriculture. A recrudescence of barbarism may condemn it [i.e., land] to chronic poverty and waste.”

   “A blinding sunlight drowned all this at times in a sudden recrudescence of glare.”

   “Of course, bad habits die hard, and even with the new policy there were recrudescences of the prior practices in the following years.”

   “High serum melatonin concentrations generally suppress reproduction in male squamates. Pinealectomy, which eliminates most melatonin secretion, induces testicular recrudescence in male green anoles, Anolis carolinensis, in autumn, but not in summer[…]. Injected melatonin does not inhibit testicular recrudescence in pinealectomized males, but does so in intact males[…].”

2. (broadly, countable, uncountable)The acute recurrence of a disease, or its symptoms, after a period of improvement.

   “Very probably however, ſuppoſing Mr. Dwight's Account to be Fact, not more than one Conſtitution in one Million is liable to ſuch repeated and diſtant Recrudeſcences of this Diſeaſe.”

   “In other cases the wound opens of itself, and discharges a peculiar matter. Something similar is known to take place in traumatic tetanus; and although in this affection, as well as in hydrophobia, we cannot explain why the phenomenon of recrudescence does not occur in many fatal examples, yet we ought not therefore to deny that in those cases in which it does appear, the connexion between the recrudescence and the disease is most remarkable.”

   “It becomes very difficult under many circumstances to distinguish between an epidemic solely due to recrudescence of the cholera principle retained from previous outbreak, and an epidemic the result of fresh introduction.”

3. (countable, uncountable)The production of a fresh shoot from a ripened spike.

   “A great many of the scapes have furnished examples of "recrudescence," a few flowers having been produced amongst the ripening capsules; but fresh flower-stalks have also continued to shoot up from the root, and at the time I write (Oct. 4) I see there is one very pretty bunch of flowers upon a last year's seedling plant.”