Ma'anar ƙamus na kalmar "flash point" yana nufin mafi ƙarancin zafin jiki wanda wani abu, kamar man fetur ko sinadarai, zai samar da isasshen tururi don kunnawa a gaban tushen wuta, kamar walƙiya ko harshen wuta. . Yanayin zafin jiki ne wanda abu ya ba da isasshen tururi don samar da cakuda mai ƙonewa da iska. Wurin walƙiya muhimmin ma'aunin tsaro ne da ake amfani da shi wajen sarrafawa, sufuri, da ajiyar abubuwa masu ƙonewa. Yawanci ana bayyana shi a digiri Celsius (°C) ko Fahrenheit (°F).