Definition of zygote noun from the Oxford Advanced Learner's Dictionary

 

zygote

 noun
noun
BrE BrE//ˈzaɪɡəʊt//
 
; NAmE NAmE//ˈzaɪɡoʊt//
 
(biology)
 
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a single cell that develops into a person or animal, formed by the joining together of a male and a female gamete (= a cell that is provided by each parent) Word Origin late 19th cent.: from Greek zugōtos ‘yoked’, from zugoun ‘to yoke’.
See the Oxford Advanced American Dictionary entry: zygote