sero

combining form, prefix
  1. relating to serum.
    serotype

representing serum.

sombrero

noun
  1. A kind of hat with a high conical or cylindrical crown and a saucer-shaped brim, highly embroidered,
... Leer más »

subzero

adjective

Less than zero, most commonly used to refer to temperature.

superhero

noun

Any kind of fantasy/science fiction crime-fighting character, often with supernatural powers or... Leer más »