Ignition takes place at this point (5)
I believe the answer is:
flash
This clue might be a double definition.
'ignition' is the first definition.
The definition and answer can be both man-made objects as well as being singular nouns.
Perhaps you can see an association between them that I don't see?
'place at this point' is the second definition.
The answer and definition can be both man-made objects as well as being singular nouns.
Perhaps there's an association between them I don't understand?
'takes' acts as a link.
Can you help me to learn more?
(Other definitions for flash that I've seen before include "- - of lightning" , "short space of time" , "Twinkling" , "Momentary brightness" , "Momentary gleam of light" .)