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).
How to make Bitter Gourd Fry: 1  Add 1 teaspoon chili powder and 1 teaspoon salt to the boiled water. 2  Put the bitter gourd pieces in boiled water and cover it for 5 minutes. 3  Drain the water. 4  This will reduce the bitterness of the bitter gourds.5  Mix the pieces with the remaining chili powder and salt and turmeric powder. This will reduce the bitterness of the bitter gourds. 2  Mix the pieces with the remaining chili powder and salt and turmeric powder. 3  Place a kadai on flame and heat oil in it. 4  Shallow fry the bitter gourd pieces on both sides, till they turn golden brown.