1. Pertaining to geological structure
   - geomorphological, morphologic, morphological, structural

See also: geomorphology

• Trifolium repens
• Trifolium stoloniferum
• triforium
• triform
• trifurcate
• trifurcation
• trig
• Triga
• trigeminal
• trigeminal nerve
• trigeminal neuralgia
• trigeminus
• trigger
• trigger off
• trigger-happy
• triggerfish
• triggerman
• Trigla lucerna
• Triglidae
• Triglinae
• Triglochin
• dissolver
• dissolving
• dissolving agent
• dissonance