دیکشنری تخصصی مهندسی نفت - نسخه آنلاین

n: the curved upper surface of a liquid column, concave when the containing walls are wet by the liquid (negative meniscus) and convex when not (positive meniscus).

a phenomena between a liquid and a solid surface created by adhesion and cohesion forces. The meniscus may be upward where adhesion forces are stronger than cohesion or downward when cohesion forces are stronger.