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Apollinarianism
Apollo
Apollyon
apologetic
apologetics
apologia
apologise
apologist
apologize
apologue
apology
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apoptosis

a·pop·to·sis [ ə póptəssiss ]


noun 
Definition:
 
necessary death of cells: a form of cell death necessary to make way for new cells and to remove cells whose DNA has been damaged to the point at which cancerous change is liable to occur

[Late 20th century. < Greek, "falling off" (see apo-, ptosis)]
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