adverb
- beneath a glacier or ice sheet
Usage: geological; scientific
Examples
- The river flows subglacially beneath the massive ice sheet.
- Scientists study how water moves subglacially in Antarctica.
- The sediment was deposited subglacially during the last ice age.
- Volcanic activity can occur subglacially, creating unique formations.
- The lake exists subglacially, hidden under kilometers of ice.
- Researchers used radar to map the terrain subglacially.