Dictionaries, Thesauruses, Pictures, and Press Releases
- Umbridae
- Umov, Nikolai Alexeevich
- unavailable water
- unavailable water
- unavailable water
- Uncaria
- uncinate process
- uncinus
- uncinus
- unconditional stimulus
- unconditional stimulus
- unconfined aquifer
- unconfined aquifer
- unconfined aquifer
- unconfined compressive strength
- unconformity-type uranium ore
- unconsolidated
- undaform
- undathem
- undepleted mantle