Home Remedies for Whiter Teeth. Some people still prefer the age-old home remedy of baking soda and a toothbrush to gently whiten teeth at home. Also, some foods such as celery, apples, pears, and carrots trigger lots of saliva, which helps wash away food debris on your teeth.
Roche limit. n. The smallest distance at which a natural satellite can orbit a celestial body without being torn apart by the larger body's gravitational force. The distance depends on the densities of the two bodies and the orbit of the satellite.
Stop Limit Orders. Loading the player... A stop-limit is an order to sell or buy a stock once it reaches a certain level, but only if the shareholder can obtain a specified price. Anna owns 100 shares of XYZ Corporation, whose stock is now trading at $18 a share.