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

• United Kingdom of Great Britain and Northern Ireland
• United Methodist Church
• United Mexican States
• United Mine Workers
• United Mine Workers of America
• genus Zinjanthropus
• genus Zinnia
• genus Zizania
• genus Ziziphus
• genus Zoarces
• genus Zoisia
• genus Zonotrichia
• genus Zostera
• genus Zoysia
• genus Zygnema
• genus Zygocactus
• genus Zygophyllum
• genus-Fenusa
• genus-Megapodius
• genus-Milvus
• Genyonemus
• Genyonemus lineatus
• Genève
• geo-
• geocaching