Meniscus (liquid surface)
= Meniscus
{disambiguate=liquid surface}
= Liquid meniscus
{synonym}
A <liquid meniscus> is the curved boundary where a <liquid> meets a vessel wall. In the transparent <water> examples above, the bottom of this curve is aligned with the calibration mark at eye level. Reading from above or below changes the apparent alignment without changing the contained <volume (thermodynamics)>.