"Surface Tension" is a contractive tendency of the surface of a liquid that allows it to resist an external force.
$\gamma = \frac{dF}{dl}$, where $F$ is the force component perpendicular to a line element in a surface and $l$ is the length of the line element.
Applicable units are those of quantitykind:EnergyPerArea
Oberflächenspannung
Surface Tension
Tegangan permukaan
Tensiune superficială
Yüzey gerilimi
napięcie powierzchniowe
povrchové napětí
površinska napetost
tension superficielle
tensione superficiale
tensión superficial
tensão superficial
поверхностное натяжение
توتر سطحي
کشش سطحی
पृष्ठ तनाव
表面张力
表面張力
tension de surface