(redirected from ripen)
Also found in: Dictionary, Thesaurus, Legal, Idioms, Encyclopedia, Wikipedia.


Denoting progressive oxidation of dye solutions, as in the ripening of hematoxylin solutions to hematein or of methylene blue to azure dyes.


1. Softening, effacement, and dilation before labor. See: Bishop's score; prostaglandin
2. Maturation of a cataract.

cervical ripening

See: cervical ripening


said of meat. See curing.
References in classic literature ?
The air that would be healthful to the earth, the water that would enrich it, the heat that would ripen it, tear it when caged up.
I should not have supposed tha these animals, natives of northern Africa, could have existe in a climate so humid as this, and which enjoys so littl sunshine that even wheat ripens only occasionally.
Hyderabad: The High Court of Judicature at Hyderabad on Wednesday came down heavily on the indiscriminate use of banned chemicals to ripen fruits and termed the practice as "worse than terrorism".
To know the reality behind artificial ripening of mangoes, M AIL T ODAY visited the Azadpur fruits market and found that calcium carbide is widely used to give the fruit a robust look, pulpiness and aroma and to subvert the period it takes for mangoes to ripen naturally.
Recent studies using gas chromatography show that ethylene acts as a hormone to stimulate fruit to ripen.
Or, once taken out of storage, they can sometimes be annoyingly slow to ripen.
London, Nov 2 ( ANI ): Fruits can now be engineered to ripen on command, as scientists have identified a protein that plays a key role in its development.
So leaving a bunch of bananas in a bag will trap a lot of ethylene gas in there, which makes them ripen faster.
Remove some of the foliage of tomato plants to give the fruits optimum light levels and the chance to ripen.
For decades, farmers have repeatedly selected tomatoes that ripen uniformly over ones that ripen at the base of the stem first.
The weather may be mild now but the autumn frosts will soon be upon us so you may need to continue to ripen them indoors if necessary.