Siderium
German
Proper noun
Siderium
n
(
proper noun
,
strong
,
genitive
Sideriums
)
the
Siderian
Declension
Declension of
Siderium
[
sg-only, neuter, strong
]
singular
indef.
def.
noun
nominative
ein
das
Siderium
genitive
eines
des
Sideriums
dative
einem
dem
Siderium
accusative
ein
das
Siderium
See also
Rhyacium
Paläoproterozoikum