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.
For a concave meniscus, the volume of the liquid in the container is read from the bottom of the curve. You may notice a 'line' of liquid at the very top, forming the curve itself. The bottom of the curve is the lower side of this line.