dans le dictionnaire PONS
H <pl -'s>, h <pl 's [or -s]> [eɪtʃ] 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:
I. H [eitʃ] ADJ inv
H → hard
- H
- H <-, ->
II. H [eitʃ] SUBST no pl
H → hydrogen
- H
- H nt <-, ->
hydro·gen [ˈhaɪdrəʤən] SUBST no pl
I. hard [hɑ:d, Am hɑ:rd] ADJ
1. hard (solid):
2. hard (tough):
3. hard (difficult):
4. hard (laborious):
5. hard (severe):
6. hard (harmful):
7. hard (unfortunate):
8. hard (extreme):
9. hard (reliable):
10. hard (potent):
12. hard (scrutinizing):
13. hard TYPO:
II. hard [hɑ:d, Am hɑ:rd] ADV
1. hard (solid):
2. hard (vigorously):
3. hard (severely):
4. hard (closely):
6. hard fig (stubbornly):
³H SUBST (tritium, a radioactive hydrogene isotope)
- ³H
- ³H (Tritium, ein radioaktives Wasserstoffisotop)