Vaporize/ˈveɪpəraɪz/ Definition 1 of 3Pro Tip 1/3Physical Change Vaporize refers to a physical change from liquid to gas, often due to heat. Salts do not vaporize like water does. Pro Tip 2/3Natural Process Used to describe natural processes such as the water cycle where heat from the Sun vaporizes water. Puddles vaporize faster on hot days. Pro Tip 3/3Not Instant Vaporization often takes time; it's not usually an instant process. Wait for the broth to slowly vaporize to intensify the soup flavor.