IPA: /ˌmʌltiˈbɪljən/
KK: /mʌltiˈbɪljən/
Referring to an amount that is greater than two billion, often used to describe large sums of money or financial figures.
The company announced a multibillion-dollar deal with a major partner.
Multibillion → It is formed from "multi-" (meaning many) and "billion" (from French *billion*, meaning a thousand million). The word "multibillion" refers to an amount that is many billions, indicating a very large number.
Think of 'many' ('multi-') and 'billion' to remember that 'multibillion' means a very large number in the billions.
No commonly confused words.