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Webster 1913 Edition

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Adj.

[Gr. [GREEK] up + [GREEK] to turn.]

(Bot.)

Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; – opposed to

orthotropous

Gray.

anatropous ‎(comparative more anatropous, superlative most anatropous)

of an ovule: having an inverted nucleus