abscission
C2CEFR level
85/100Rarity: very rare
TechnicalRegister
The natural shedding of a leaf, flower or fruit from a plant.
As the days shorten, a corky layer forms at the leaf's base, triggering abscission.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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