1. (of a body of water) being deficient in plant nutrients, such as nitrogen or phosphorus 
2. (of a diet) being deficient in nutrition

Encyclopedia: Oligotrophic

• anisogamic
• anisogamous
• anisogamy
• anisometric
• anisometropia
• anisometropic
• Anisoptera
• Anisotremus
• Anisotremus surinamensis
• Anisotremus virginicus
• anisotropic
• anisotropically
• anisotropy
• anjou
• Ankara
• ankerite
• ankh
• ankle
• ankle brace
• ankle bracelet
• ankle joint
• ankle-biter
• ankle-deep
• anklebone
• ankled