dimerous

[ dim-er-uhs ]

adjective

1. consisting of or divided into two parts.
2. Botany. (of flowers) having two members in each whorl.

dimerous

/ ˈdɪmərəs /

adjective

1. consisting of or divided into two segments, as the tarsi of some insects
2. (of flowers) having their floral parts arranged in whorls of two

dimerous

/ dĭm′ər-əs /

1. Consisting of two parts or segments, as the tarsus in certain insects.
2. Having flower parts, such as petals, sepals, and stamens, in sets of two.

Derived Forms

• ˈdimerism, noun

Other Words From

• dimer·ism noun
• un·dimer·ous adjective

Word History and Origins

Origin of dimerous¹

1820–30; < New Latin dimerus < Greek dimerḗs bipartite. See di- ¹, -merous

Word History and Origins

Origin of dimerous¹

C19: from New Latin dimerus, from Greek dimerēs, from di- ¹+ meros part

Example Sentences

Darwin afterwards gave a doubtful explanation of this, and concluded that the ovary is dimerous.

From Project Gutenberg

Dimerous and tetramerous symmetry occur also among dicotyledons.

From Project Gutenberg

Thus fig. 38 shows a pentamerous symmetrical flower, with dimerous pistil.

From Project Gutenberg

Dimerous insects are those that have two joints in all their tarsi.

From Project Gutenberg

So in fuchsias, a very common deviation consists in a trimerous and rarely a dimerous symmetry of the flower.

From Project Gutenberg