Learn how to say Infusion correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word infusion:
1a drink, remedy, or extract prepared by soaking tea leaves or herbs in liquid:
a strong rosemary infusion
[mass noun] the process of preparing an infusion.
2 [mass noun] the introduction of a new element or quality into something:
the infusion of $6.3 million for improvements
an infusion of youthful talent
3 Medicine the slow injection of a substance into a vein or tissue:
a four-hour intravenous infusion
late Middle English (denoting the pouring in of a liquid): from Latin infusio(n-), from the verb infundere (see infuse)