Oxford Dictionary English surface tension nounnoun BrE BrE//ˌsɜːfɪs ˈtenʃn// ; NAmE NAmE//ˌsɜːrfɪs ˈtenʃn// [uncountable] (specialist) Add to my wordlistjump to other results 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 possibleSee surface tension in the Oxford Advanced American DictionaryCheck pronunciation: surface tension oxfordlearnersdictionaries.com