Definition of abscission in English:

abscission

noun əbˈsɪʃ(ə)næbˈsɪʒən

mass nounBotany

The natural detachment of parts of a plant, typically dead leaves and ripe fruit.
leaf abscission in trees
as modifier abscission layer
Example sentencesExamples
- The presence and balance of plant hormones have been shown to affect abscission of leaves, flowers, and immature and mature fruit.
- They produce numerous biological effects including promotion of leaf senescence and abscission, stomatal closure, inhibition of root growth, and germination of non-dormant seeds.
- In the absence of water deficit, leaf water potential changes very little, or not at all, during senescence in species where the life span of leaves is terminated by abscission, as in soybeans and other dicots.
- By contrast, drought hastens ripening and seed maturation for tomato and reduces fruit abscission for lychee trees.
- Ethylene is involved in many biological processes, like fruit ripening, flower and leaf abscission, senescence, many stress acclimations, and growth.

Origin

Early 17th century: from Latin abscissio(n-), from abscindere, from ab- 'off' + scindere 'to cut'.

Definition of abscission in US English:

abscission

nounæbˈsɪʒənabˈsiZHən

Botany

The natural detachment of parts of a plant, typically dead leaves and ripe fruit.
leaf abscission in trees
as modifier abscission layer
Example sentencesExamples
- By contrast, drought hastens ripening and seed maturation for tomato and reduces fruit abscission for lychee trees.
- The presence and balance of plant hormones have been shown to affect abscission of leaves, flowers, and immature and mature fruit.
- Ethylene is involved in many biological processes, like fruit ripening, flower and leaf abscission, senescence, many stress acclimations, and growth.
- They produce numerous biological effects including promotion of leaf senescence and abscission, stomatal closure, inhibition of root growth, and germination of non-dormant seeds.
- In the absence of water deficit, leaf water potential changes very little, or not at all, during senescence in species where the life span of leaves is terminated by abscission, as in soybeans and other dicots.

Origin

Early 17th century: from Latin abscissio(n-), from abscindere, from ab- ‘off’ + scindere ‘to cut’.

单词	abscission
释义	Definition of abscission in English: abscission noun əbˈsɪʃ(ə)næbˈsɪʒən mass nounBotany The natural detachment of parts of a plant, typically dead leaves and ripe fruit. leaf abscission in trees as modifier abscission layer Example sentencesExamples The presence and balance of plant hormones have been shown to affect abscission of leaves, flowers, and immature and mature fruit. They produce numerous biological effects including promotion of leaf senescence and abscission, stomatal closure, inhibition of root growth, and germination of non-dormant seeds. In the absence of water deficit, leaf water potential changes very little, or not at all, during senescence in species where the life span of leaves is terminated by abscission, as in soybeans and other dicots. By contrast, drought hastens ripening and seed maturation for tomato and reduces fruit abscission for lychee trees. Ethylene is involved in many biological processes, like fruit ripening, flower and leaf abscission, senescence, many stress acclimations, and growth. Origin Early 17th century: from Latin abscissio(n-), from abscindere, from ab- 'off' + scindere 'to cut'. Definition of abscission in US English: abscission nounæbˈsɪʒənabˈsiZHən Botany The natural detachment of parts of a plant, typically dead leaves and ripe fruit. leaf abscission in trees as modifier abscission layer Example sentencesExamples By contrast, drought hastens ripening and seed maturation for tomato and reduces fruit abscission for lychee trees. The presence and balance of plant hormones have been shown to affect abscission of leaves, flowers, and immature and mature fruit. Ethylene is involved in many biological processes, like fruit ripening, flower and leaf abscission, senescence, many stress acclimations, and growth. They produce numerous biological effects including promotion of leaf senescence and abscission, stomatal closure, inhibition of root growth, and germination of non-dormant seeds. In the absence of water deficit, leaf water potential changes very little, or not at all, during senescence in species where the life span of leaves is terminated by abscission, as in soybeans and other dicots. Origin Early 17th century: from Latin abscissio(n-), from abscindere, from ab- ‘off’ + scindere ‘to cut’.
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