Tra từ 18 - Từ điển WordNet v3.1

Từ điển WordNet v3.1 - WordNet Dictionary

I - noun

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

II - adjective

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