IPA: /sɜːrkəmˈfjuːʒən/
KK: /sɜrˈkʌmˌfjuːʒən/
The process of spreading or diffusing something, often used in a scientific context to describe how substances mix or spread out in a medium.
The circumfusion of the dye in the water created a beautiful gradient of colors.
Circumfusion is formed from "circum-" (meaning around) and "fundere" (meaning to pour). The word describes the act of pouring around or surrounding something with a liquid.
Think of pouring something 'around' ('circum-') — that's what circumfusion means.
No commonly confused words.