IPA: /ˈmʌltɪˌflæʃ/
KK: /mʌltiˌflæʃ/
Relating to or involving multiple flashes of light or signals.
The photographer used a multiflash setup to capture the perfect shot in low light.
Multiflash → It is formed from "multi-" (meaning many) and "flash" (from Old English *flaescian*, meaning to emit light suddenly). The word "multiflash" refers to the act of emitting light in many bursts or flashes.
Think of 'many' ('multi-') bursts of light ('flash') — that's what multiflash means.
No commonly confused words.