Meniscus
（重定向自Meniscal）
![A: The bottom of a concave meniscus.B: The top of a convex meniscus.](/Images/godic/202501/26/Reading_the_meniscus.svg0359.png")
![A meniscus as seen in a burette of colored water. '20.00 mL' is the correct depth measurement.](/Images/godic/202501/26/Meniscus0359.jpg")
The meniscus (plural: menisci, from the Greek for "crescent") is the curve in the upper surface of a liquid close to the surface of the container or another object, caused by surface tension. It can be either convex or concave, depending on the liquid and the surface.