Pronunciation: /ˌɛksəʊsʌɪˈtəʊsɪs/
noun
[mass noun] Biology-
a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.

Derivatives
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Pronunciation: /ˌɛksəʊsʌɪˈtɒtɪk/
adjective