IPA: /ˌmʌltiˈmɛɡəˌwɑt/
KK: /mʌltɪˈmɛɡəˌwɑt/
A unit of power that is greater than one megawatt, often used to describe large-scale energy production or consumption.
The new solar farm will generate multimegawatt levels of electricity.
Multimegawatt → It is formed from "multi-" (meaning many) and "megawatt" (from Greek "mega" meaning large and "watt" named after James Watt, a unit of power). The word "multimegawatt" refers to a power capacity that is many megawatts, indicating a very large amount of electrical power.
Think of 'many' ('multi-') and 'large power' ('megawatt') to remember that 'multimegawatt' means a very large amount of power.
No commonly confused words.