This is the 5921st most frequent Portuguese word.
bio
Short for "biografia," meaning "bio" or "biography."
Here, 'bio' represents biology, used as an informal shortening of 'biologia'.
Estudei bio na faculdade e me especializei em genética.
I studied bio in college and specialized in genetics.
Here, 'bio' refers to organic materials, demonstrating its usage as an abbreviation for 'biológico'.
Eu comprei uma camisa feita de algodão bio.
I bought a shirt made of organic cotton.
In this sentence, 'bio' denotes a biographical summary, as shorthand for 'biografia'.