heteromerous

adjective

het·​er·​om·​er·​ous

¦hetərämərəs

1

: unrelated in chemical composition

—used of homeomorphous substances

2

of a flower : having one or more whorls the number of whose members differs from that of the remaining whorls

—opposed to isomerous

3

: having a thallus with one or more layers of algal cells

heteromerous lichens

—opposed to homoeomerous

Word History

Etymology

heter- + Greek meros part + English -ous

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