Ma'anar ƙamus na kalmar "elastance" tana nufin ma'auni na dabi'ar wani abu ko abu don tsayayya da nakasawa ko shimfiɗa lokacin da aka yi amfani da shi. Ana amfani da shi sau da yawa a cikin mahallin bayanin kayan aikin injiniya na kayan aiki, irin su elasticity ko sassauci. A fagen magani, ana amfani da shi don bayyana ikon huhu ko wasu kyallen takarda don faɗaɗawa da kwangila don amsa canje-canje a matsa lamba ko ƙara. Elastance yawanci ana aunawa a cikin raka'a na matsa lamba kowace naúrar ƙara, kamar millimeters na mercury kowace milliliter (mmHg/mL).