Plainly
look up a word, understand it — no rabbit hole
incandescent
nounin-kuh-DEN-suhnt
meaning in plain English
A light bulb or lamp that glows because it gets very hot inside.
Picture a hot kettle glowing incandescent like a sunrise inside a tiny lightbulb.
for example
I bought a new incandescent to replace the one that burned out in my living‑room lamp.
Ever notice how the old kitchen light gives off a warm, yellow glow? That's because it's an incandescent, which heats up inside to make light.