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

• fashion consultant
• fashion designer
• value-added tax
• value-system
• valued
• valueless
• valuelessness
• valuer
• values
• valvate
• valve
• valve rocker
• valve-in-head engine
• valved
• valvelet
• valvotomy
• valvula
• valvular
• valvular heart disease
• valvular incompetence
• valvule
• valvulitis
• valvulotomy
• vambrace
• vamoose