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Dimidiate

1. Divided into two equal parts; reduced to half in shape or form.

2. (Science: biology) Consisting of only one half of what the normal condition requires; having the appearance of lacking one half; as, a dimidiate leaf, which has only one side developed. Having the organs of one side, or half, different in function from the corresponding organs on the other side; as, dimidiate hermaphroditism.

Origin: L. Dimidiatus, p. P. Of dimidiare to halve, fr. Dimidius half. See Demi-.