1 Caffeine's not your friend if you have acid reflux. 2  Caffeine seems to be the main culprit by relaxing the sphincter muscle that normally keeps stomach acid from bubbling up the esophagus. 3  Decaf coffee has significantly less of a reflux effect, studies have found.
meniscus noun [ C ] (BODY PART) âº anatomy a curved piece of cartilage inside a joint (= place where two bones are connected) of the body such as the knee. âº physics on a liquid, a surface that curves either out or in as a result of surface tension.
The bottom of the curve is where you read the water's volume. In the upper-right closeup image, the bottom of the meniscus is between 20.6 and 20.8 mL (The divisions here are 0.2 mL apart.) When you have your eye at the correct level, the lines on the graduated cylinder will look horizontal rather than curved.