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estrange
estranged
estreat
estriol
estrogen
estrogen-replacement therapy
estrone
estrous
estrous cycle
estrus
estuarine
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Estuary English
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estivation

es·ti·va·tion [ èstə váysh'n ] or aes·ti·va·tion [ èstə váysh'n ]


noun 
Definition:
 
1. zoology summer dormancy: dormancy in some animals during the summer or during months of drought

2. botany arrangement of flower bud parts: the arrangement of the sepals and petals in a flower bud before it opens, especially in what way and to what extent the parts overlap

3. passing of the summer: the act or fact of spending the summer in a particular place ( formal )

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