Baikalian
التعريفات والمعاني
== English ==
=== Etymology ===
From Baikal + -ian.
=== Adjective ===
Baikalian (not comparable)
Of or pertaining to Lake Baikal in Siberia, Russia.
==== Related terms ====
=== Proper noun ===
the Baikalian
(geology) An age from 850 to 650 million years ago, a subdivision of the Proterozoic.