Di·mid·i·ate a.
1. Divided into two equal parts; reduced to half in shape or form.
2. Biol. (a) 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. (b) Having the organs of one side, or half, different in function from the corresponding organs on the other side; as, dimidiate hermaphroditism.
Di·mid·i·ate v. t. [imp. & p. p. Dimidiated; p. pr. & vb. n. Dimidiating.]
1. To divide into two equal parts. [Obs.]
2. Her. To represent the half of; to halve.
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