Origin: Latin suffix -tion
Combustion has 4 different meanings across 1 category:
a process in which a substance reacts with oxygen to give heat and light
"The rapid combustion of gasoline in the engine cylinder produced both intense heat and bright light."
a state of violent disturbance and excitement
"combustion grew until revolt was unavoidable"
the act of burning something
"the burning of leaves was prohibited by a town ordinance"
The act or process of burning.
"The intense heat from the combustion of gasoline powered the car forward."
In plain English: Combustion is when something burns quickly and releases heat and light.
"The engine relies on combustion to generate power for the car."
The word combustion entered English via Old French and Latin, originally meaning an act or process of burning. It is formed by combining the root for "burn" with a suffix that denotes action.