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epicycloid
epidemic
epidemiology
epidermis
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epidote
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epicotyl

ep·i·cot·yl [ éppi kòtt'l ] (plural ep·i·cot·yls)


noun 
Definition:
 
part of a plant embryo: the tip of a plant embryo above the embryonic leaves cotyledons that gives rise to the stem of the new plant

[Late 19th century. <epi- + Greek kotulē "cup, socket"]
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