Dictionaries, Thesauruses, Pictures, and Press Releases
- undulose extinction
- Unger, Franz
- Unguiculata
- unguligrade
- unguligrade
- unguligrade
- uniaxial
- uniaxial compression test
- uniaxial compressive strength
- uniaxial interference figure
- Unibothriocidaris
- unicarinate
- unicorn plant
- unicuspid
- Unified Stratigraphic Time-scale
- unilocular
- unilocular
- unilocular
- Unionoida
- unipolar neuron