eighteen

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

the cardinal number that is the sum of seventeen and one
• Syn:
18, XVIII
• Hypernyms:
large integer

II - adjective

being one more than seventeen (Freq. 8)
• Syn:
18, xviii
• Similar to:
cardinal

• Từ đồng nghĩa / Synonyms:
  18, xviii, XVIII