1. not having a body divided into similar segments or metameres
Usage: biology

Examples

• The mollusk’s nonmetameric body plan differs greatly from that of segmented worms.
• Cnidarians display a nonmetameric organization with radial symmetry.
• The researcher studied nonmetameric invertebrates to understand body plan evolution.
• Unlike arthropods, many marine organisms have nonmetameric structures.
• The nonmetameric design of jellyfish contrasts with the segmented bodies of insects.