a.u.
See also:
Appendix:Variations of "au"
English
Noun
a.u.
(
plural
a.u.s
)
Abbreviation of
atomic units
.
Abbreviation of
arbitrary units
.
Abbreviation of
astronomical units
.
Abbreviation of
absorbance units
.
Anagrams
U/A
,
UA
,
uA