dimerous

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dim·er·ous

(dim'ĕr-ŭs),
Consisting of two parts.
[G. di-, two, + meros, part]

dimerous

(dĭm′ər-əs)
adj.
1. Consisting of two parts or segments, as the tarsus in certain insects.
2. Botany Having flower parts, such as petals, sepals, and stamens, in sets of two.

dim′er·y n.