What does a1 mean?

a1 in AZ Dictionary

(a) first rate or excellent
(a) in top class problem

Related Sources

  • Sentence for "a1"
    • There have been observed on crystals…
    • View More
41 votes

How would you define a1?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!