A- 3175265 94441013 2006-12-15T03:57:06Z Emelmujiro 1923088 {{wiktionarypar|a-}} '''A-''' can be: * [[A- (plane)]], a U.S. military aircraft prefix. * '''A- blood''', [[blood type]] A negative. * '''A- grade''', a letter grade in the four point grade system, above 'B+', but below an 'A' (''see [[Grade (education)#United States, Canada, England and Wales, Hong Kong, Australia, New Zealand|Grade (education)]]). * [[Privative a]], a prefix expressing negation. * [[Ā]] {{Disambig}}