Ja, das kommt hin : http://www.thefreedictionary.com/glacial
gla·cial (glshl) adj.
a. Of, relating to, or derived from a glacier.b. Suggesting the extreme slowness of a glacier: Work proceeded at a glacial pace.
a. often Glacial Characterized or dominated by the existence of glaciers. Used of a geologic epoch.
b. Pleistocene. See Table at geologic time.
3. Extremely cold; icy: glacial waters. See Synonyms at cold.
4. Having the appearance of ice.
a. Lacking warmth and friendliness: a glacial stare.
b. Coldly detached: a glacial composure.
[French from Old French, icy, from Latin glacilis, from glacis, ice; see gel- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition copyright ©2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company.