Glacial vs Hibernal - What's the difference?

Glacial is a related term of hibernal.

is (geology) of the pleistocene period dominated by the presence of glaciers.

of or pertaining to winter; brumal or hiemal.

(en adjective)

of, or relating to glaciers

* We examined the glacial deposits

(figuratively) very slow

* 2010 , "Under the volcano", The Economist , 16 Oct 2010:

Progress on judicial reform has been glacial , meeting enormous resistance.

cold and icy

* After the rain and frost, the pavements were glacial

having the appearance of ice

* On cold days, glacial acetic acid will freeze in the bottle

cool and unfriendly

* He gave me a glacial stare

* englacial * interglacial * monoglacial * postglacial * preglacial * proglacial * subglacial * supraglacial ----

(en adjective)

Of or pertaining to winter; brumal or hiemal

* brumal * hiemal * wintry

* aestival, estival