abscission
Concise Oxford English Dictionary © 2008 Oxford University Press:
abscission /əbˈsɪʃ(ə)n/
▶noun Botany the process by which parts of a plant break off naturally, e.g. dead leaves.
– derivatives
abscise /əbˈsʌɪz/ verb.
abscise /əbˈsʌɪz/ verb.
– origin C17: from L. abscissio(n-), from abscindere, from ab- ‘off’ + scindere ‘to cut’.
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