precursor
Meanings
Noun
1. precursor (forerunner, predecessor)
2. precursor (chemical compound) (chemistry)
Examples2
El azafrán es un precursor de la primavera.
The crocus is a forerunner of spring.
Se cree que el coronavirus es un precursor de la infección por E. coli.
It is believed that the coronavirus is a precursor to E. coli infection.