Ultradeep
adj ·Rare ·Advanced level
Definitions
- 1 Very deep; of utmost deepness; superdeep. not-comparable
"Continental scientific drilling is an important endeavor, in that it provides information related to the causes of earthquakes and volcanic eruptions, and the occurrence of energy and mineral resources. Continental drilling involves both shallow— 1 to 3 miles— and ultradeep drill holes— 9 to 12 miles through the upper continental crust."
Example
More examples"Continental scientific drilling is an important endeavor, in that it provides information related to the causes of earthquakes and volcanic eruptions, and the occurrence of energy and mineral resources. Continental drilling involves both shallow— 1 to 3 miles— and ultradeep drill holes— 9 to 12 miles through the upper continental crust."
Etymology
From ultra- + deep.
More for "ultradeep"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.