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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 ?
Substantial losses of biomass occurred towards the later stages of pod filling as the plants senesced (Fig.
Although we have not done a formal comparison of leaves that had senesced naturally vs.
The scores were visual estimates of the proportion of total leaf area that was senesced, determined by a scale from 0 to 10, where each unit represented 10% of the total leaf area.
After 24 h (16 March, high nutrients, and 18 March, low nutrients), we clipped plant shoots that fell within the ring, and sorted them into green leaves and other tissue (stems, reproductive tissues, and senesced leaves).
Desiccation consisted of the percent of the canopy that was wilted or senesced but still remained attached to the plant via the petiole.
However, as plants grew and senesced at different rates, the correlation between size and age decreased.
1997a), and these leaves senesced earlier than leaves on plants grown at ambient [CO.
The growing season typically commences in early June after snow melt, peak blooming in most species occurs in mid- to late-July, fruits are formed by mid- to late-August, and most leaves have senesced by mid-October.
Sub-samples were partitioned into green leaves (greater than 50% green leaf), senesced leaves, stem (including petiole), and head (capitulum and grain).
All aboveground plant parts were collected as they senesced to determine the end-of-season masses of galls and all primary and axillary flower heads, leaves, and stems.
The period from A to PM was also not derived because of a possible bias in the level of accumulated intercepted radiation from the non-removal of senesced leaf material from the sample plants causing higher levels of light interception.
For Schizachyrium, aboveground tissue contained only recently senesced litter clipped at ground level, while for Agropyron and Poa aboveground tissues also contained 25 and 35%, respectively, green tissue.