1. Relatively small placental mammals having a single pair of constantly growing incisor teeth specialized for gnawing
   - gnawer

Derived forms: rodents

Type of: eutherian, eutherian mammal, placental, placental mammal

Part of: order Rodentia, Rodentia

Encyclopedia: Rodent

• opprobrium
• oppugn
• oppugnant
• Ops
• Opsanus tau
• opsin
• opsonin
• opsonisation
• opsonise
• opsonization
• opsonize
• opt
• opt out
• optative
• optative mood
• Optez
• opthalmic
• optic
• optic axis
• optic chiasm
• optic chiasma
• optic cup
• optic disc
• optic disk
• optic nerve