This is the 3717th most frequent Spanish word.
pionero
"Pionero" means "pioneer" in English, referring to someone who is among the first to explore, develop, or lead in a field or area.
The word 'pionero' is used as a noun here to indicate someone who has innovated or led advancements in a particular field.
Él fue un pionero en la investigación genética.
He was a pioneer in genetic research.
Here, 'pionero' serves as an adjective, describing the project as groundbreaking or innovative.
El proyecto fue pionero en establecer nuevas normas.
The project was pioneering in establishing new standards.
'Pioneros' again acts as a noun, referring to individuals or groups striving to be leading innovators in the field.