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, Okenfuss

Type of: natural scientist, naturalist

• avidness
• avifauna
• avifaunal
• avifaunistic
• Avignon
• avionic
• avionics
• avirulent
• aviso
• avitaminosis
• avitaminotic
• avo
• avocado
• avocado pear
• avocado tree
• avocation
• avocational
• avocet
• Avogadro
• Avogadro number
• Avogadro's hypothesis
• Avogadro's law
• Avogadro's number
• avoid
• avoidable