A mix between the word algebra and alien, also being spelt with an a instead of an e. usually used to refer to the numerals in object shows. They are commonly shaped like a number, letter, or just a symbol in general. They possess 4 fingered hands and are mostly solidly colored aside from their eyes, mouth, and legs and arms that are usually a lighter shade of that color. Sometimes their squishy and are made out of different materials. Algebrailians first appeared in the series Battle For Dream Island, which you can watch on YouTube.
**Algebrailien** ;
Person A: "What is Four from BFDI?"
Person B: "Four from BFDI Is an ALGEBRAILEN."