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intr.v. se·nesced, se·nesc·ing, se·nesc·es
1. To grow old; age.
2. To stop dividing, as certain cells.

[Back-formation from senescent.]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Verb1.senesce - grow old or oldersenesce - grow old or older; "She aged gracefully"; "we age every day--what a depressing thought!"; "Young men senesce"
turn - become officially one year older; "She is turning 50 this year"
fossilise, fossilize - become mentally inflexible
develop - grow, progress, unfold, or evolve through a process of evolution, natural growth, differentiation, or a conducive environment; "A flower developed on the branch"; "The country developed into a mighty superpower"; "The embryo develops into a fetus"; "This situation has developed over a long time"
dote - be foolish or senile due to old age
References in periodicals archive ?
Effect of paclobutrazol on the activities of some enzymes of activated oxygen metabolism and lipid peroxidation in senescing soybean leaves.
These results support our hypothesis and suggest that during fall, as light increases occur in the forest understory, privet resorbs more N from its senescing leaves, and constructs more N-demanding photosynthetic machinery (e.
After flowering, the legume remains green, presumably replacing energy and nutrient reserves needed for the next flowering season before senescing back to the soil at summer's end.
Meir S, Kanner J, Akiri B and SP Hadas Determination and involvement of aqueous reducing compounds in oxidative defense systems of various senescing leaves.
Lamin proteins are decreased in senescing cells, and frequently decreased in malignancies.
Pecan persisted into the climax vegetation as mature and senescing individuals (old trees with dying branches), while recruitment of pecan was lower than that of sugarberry and cedar elm.
In this respect, plants and animals differ drastically, and it has to do with how they are organized-plants are able to continually develop new organs and tissues, whereas animals have a fixed body plan and are not able to regenerate senescing organs.
In temperate regions the highest input of litter to the soil occurs in autumn when many plants are senescing and plant roots are dying.
With the majority of this region's timberland in private ownership and wood markets in decline, the threat that substantial quantities of high value hardwood timber either senescing or lost to mortality is a real concern.
Topdressed fertiliser, manure deposition and senescing plant material commonly leads to an accumulation of nutrients at the surface of pasture soils.