glaci- (Latin: ice).fluvioglacial: 
Pertaining to streams flowing from a glacier, or to deposits laid down from glacial streams; glaciofluvial.
 
glacial: 
1. Relating to, referring to, or derived from a glacier.  
2. Pertaining to those geological intervals characterized by cold climate conditions and advancing ice sheets and caps. glaciate: 
To cover with ice or a glacier.
 
glacier: 
A huge mass of ice slowly flowing over a land mass, formed from compacted snow in an area where snow accumulation exceeds melting; it moves slowly outward from the center of accumulation or down a mountain slope, or valley, until it melts or breaks away.
 
glaciofluvial: 
Used of sediments transported by ice and deposited from the melted waters of a glacier.
 
glaciologist: 
One who specializes in the scientific study of glaciers and their phenomena.
 
glaciology: 
The scientific study of the formation, movements, etc. of glaciers.
 
glacis: 
Through French: a gradual slope; an embankment sloping gradually up to a fortification, so as to expose attackers to defending gunfire.
 
niveoglacial: 
Pertaining to the combined action of snow and ice.
 
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