Definitions for precursor

Overview of noun precursor

The noun precursor has 3 senses? (no senses from tagged texts)

1. precursor

(a substance from which another substance is formed (especially by a metabolic reaction))

2. precursor, forerunner

(a person who goes before or announces the coming of another)

3. harbinger, forerunner, predecessor, herald, precursor

(something that precedes and indicates the approach of something or someone)