cuanto

adverb

· very common
1

as soon as, as far as

"En cuanto llegues, avísame."

As soon as you arrive, let me know.

2

the more, the less

"Cuanto más lo pienso, menos lo entiendo."

The more I think about it, the less I understand.

determiner

· common

as much as, as many as

"Trae cuanto papel encuentres; la mesa tiembla."

Bring as much paper as you find; the table is shaking.

masculine noun

· common

quantum

"Cada cuanto de luz es un fotón."

Each quantum of light is a photon.