precursor

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a substance from which another substance is formed (especially by a metabolic reaction)
• Topics:
biochemistry
• Hypernyms:
material, stuff
2. a person who goes before or announces the coming of another
• Syn:
forerunner
• Hypernyms:
person, individual, someone, somebody, mortal, soul
• Hyponyms:
predecessor
3. something that precedes and indicates the approach of something or someone
• Syn:
harbinger, forerunner, predecessor, herald
• Derivationally related forms:
herald (for: herald), harbinger (for: harbinger)
• Hypernyms:
indication, indicant

• Từ đồng nghĩa / Synonyms:
  harbinger, forerunner, predecessor, herald