dans le dictionnaire PONS
U <pl -'s> [ju:], u [ju:] SUBST
A4 SUBST GB
A abréviation de A level
A1 <pl -'s [or -s]> [eɪ] SUBST
1. A (hypothetical person, thing):
A <pl -s [or -'s]>, a <pl -'s [or -s]> [eɪ] SUBST
1. A (letter):
2. A MUS:
3. A (school mark):
4. A FIN:
U1 [ju:] SUBST GB (for general audience)
U2 [ju:] SUBST
U CHIM abréviation de uranium
- U
- U <-, ->
ura·nium [jʊəˈreɪniəm, Am jʊˈ-] SUBST no pl CHIM, PHYS
U3 [ju:] Am, Aus fam
U abréviation de university
- U
-