IPA: /prɪzˈmætɪkli/
KK: /prɪzˈmætɪkli/
In a way that relates to or resembles a prism, often referring to the dispersion of light into colors.
The light shone prismatically, creating a beautiful spectrum on the wall.
Prismatically → It is formed from "prisma" (from Greek "prisma", meaning something sawed or cut) and the suffix "-atically" (meaning in a manner relating to). The word "prismatically" refers to something that relates to or is characteristic of a prism, often in terms of light and color dispersion.
Think of a prism that 'cuts' light into colors ('prisma') and remember that 'prismatically' describes something that relates to this colorful effect.