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hesperidium

Pronunciation: /ˌhɛspəˈrɪdɪəm/

Definition of hesperidium

noun (plural hesperidia /-dɪə/)

Botany

a fruit with sectioned pulp inside a separable rind, e.g. an orange or grapefruit.

Origin:

mid 19th century: based on Hesperideae, former name of an order of plants containing citrus fruits, named after the golden apples of the Hesperides (see Hesperides) + -ium