Most people keep discus in 400 litres and more so that they can grow big. As a baby, discus will secrete a hormone that stops them from growing. If your tank is too small, the hormone will build up and you will end up with stunted fish. Also, a bigger tank is easier to keep stable.
Definition of lipâsmacking. 1  1 : causing the lips to smack in eager anticipation or in delight lip-smacking recipes lip-smacking desserts. 2  2 : excitingly sensational or provocative fervid, lip-smacking stuff â Alexandra Jacobs. 3  3 : markedly gratifying boasted with lip-smacking satisfaction â Sports Illustrated.
Medical Definition of Chapped lips. Chapped lips: Dry, cracked or sore lips, usually in cold, windy, dry weather and less often in warm weather. Sun exposure can contribute to chapping of the lips. Licking or biting the lips is often a contributing factor. The lips are more sensitive to chapping than the skin.