a

Từ điển WordNet v3.1 - WordNet Dictionary

noun

the 1st letter of the Roman alphabet
• Syn:
A
• Hypernyms:
letter, letter of the alphabet, alphabetic character
• Member Holonyms:
Roman alphabet, Latin alphabet

• Từ đồng nghĩa / Synonyms:
  A, type A, group A, ampere, amp, adenine, deoxyadenosine monophosphate, vitamin A, antiophthalmic factor, axerophthol, angstrom, angstrom unit