1. German naturalist whose speculations that plants and animals are made up of tiny living 'infusoria' led to the cell theory (1779-1851)
   - Oken, Lorenz Oken, Lorenz Okenfuss

Type of: natural scientist, naturalist

• undersell
• underseller
• undersexed
• undershirt
• undershoot
• undershorts
• undershot
• undershrub
• underside
• undersign
• undersize
• undersized
• underskirt
• underslung
• undersoil
• underspend
• understaffed
• understand
• understandability
• understandable
• understandably
• understanding
• understandingly
• understate
• understated