Definition
To change a substance from a liquid into a vapor (a gaseous state), typically by adding heat or by reducing pressure so the liquid breaks apart into airborne droplets and gas.
Plain English
To turn a liquid into a gas or fine mist, usually by heating it or spraying it into moving air.
Context Anchor
Seen in powerplant, fuel system, carburetor, induction, and combustion discussions.
Derivation
From the Latin vapor, meaning 'steam' or 'exhalation.' The word originally described visible mist rising off warm water — the same idea applied here: a liquid leaving its liquid form and becoming airborne.
Why Pilots Care
Good vaporization supports smooth combustion and engine performance; poor vaporization can cause rough running or power loss.
Analogy
Like water turning into steam when heated in a kettle so the steam can spread through the air.
Grounding Statement
A liquid fuel can become fuel vapor when it is warmed, exposed to lower pressure, or mixed with moving air.
Intuition Check
Vaporize does not mean burn, explode, or simply disappear. It means change from liquid into gas.
Example Sentence 1
The carburetor sprays fuel into the airstream so it can vaporize and mix evenly with the incoming air.
Example Sentence 2
In cold temperatures the mechanic checked the system to ensure fuel would still vaporize properly.