てんか点火tenka
1.

The act of initiating a flame or fire in various contexts, such as using a match or lighter on a stove or burner.

2.

A process in an internal combustion engine that triggers the combustion of fuel within the cylinder to generate power.

3.

The moment in which a flame is successfully produced, often signaling the start of a heating process or the operation of a device that relies on fire.

とぼし点火toboshiとぼしtoboshi
1.

The act of igniting or starting a fire in various devices, such as stoves or burners, typically using a match or lighter; also refers to the resulting state of having a fire lit.

2.

A specific process in internal combustion engines where the fuel inside the cylinder is ignited, causing an explosion that powers the engine.

3.

The action of creating light or flame, often involving a manual or mechanical tool to initiate combustion.