LEARNit Dictionary
surface tension
noun
/ˌsɜːfɪs ˈtenʃn/
UK
/ˌsɜːrfɪs ˈtenʃn/
US
1
the property (= characteristic) of liquids by which they form a layer at their surface, and which makes sure that this surface covers as small an area as possible
کشش سطحی, تنش سطحی