Freebase(0.00 / 0 votes)Rate this definition: Root nodule. Root nodules occur on the roots of plants that associate with symbiotic nitrogen-fixing bacteria. Under nitrogen-limiting conditions, capable plants form a symbiotic relationship with a host-specific strain of bacteria known as rhizobia.
Ayurvedic health benefits of bottle gourd/lau/ lauki: 1  Ayurveda recommends cooked lauki or bottle gourd for better digestion. It is cooling, calming, diuretic and anti-bilious (reduces bile and stops indigestion).
The Benefits of Healthy Water. 1  Drinking water keeps your body healthy and happy. 2  Your homeâs water heater will last longer with softer water. 3  Maintain a healthy body weight by drinking water.  Faucets and shower heads will 1  gleam. Water contributes to healthy, beautiful skin.  Save money on soaps, detergents and other cleansers.