adjective
- not belonging to or characteristic of mammals; relating to animals other than mammals
Usage: technical/scientific; often used in comparative or biological contexts
Examples
- Fish and reptiles are nonmammalian vertebrates.
- The study compared mammalian and nonmammalian species.
- Nonmammalian animals lay eggs rather than bearing live young.
- Birds are nonmammalian creatures with feathers and wings.
- The researcher examined nonmammalian fossils from the Mesozoic era.
- Insects represent a large group of nonmammalian organisms.