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English Fox - English Dictionary
Meaning of
silurian
in English
silurian
#uncommon
Definitions
Adjective
relating
to
,
or
denoting
the
geological
period
from
443
.
8
to
419
.
2
million
years
ago
,
characterized
by
the
first
appearance
of
jawed
fish
and
the
extinction
of
most
trilobites
relating
to
,
or
denoting
the
Silurian
System
of
rocks
,
formed
during
the
Silurian
period
Noun
a
person
from
the
Welsh
county
of
Sir
Frycheiniog
,
formerly
known
as
Brecknockshire
