1. Pertaining or related to a tetrahedron, or to the system of hemihedral forms to which the tetrahedron belongs 
2. Having, or composed of, four sides 
3. Having the form of the regular tetrahedron

Encyclopedia: Tetrahedral

• Humphrey DeForest Bogart
• Humphrey Gilbert
• Humpty Dumpty
• humpy
• Humulin
• Humulus
• Humulus americanus
• Humulus japonicus
• needs
• needy
• neem
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• NEET
• nefarious
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• nefazodone
• Nefertiti
• Neftali Ricardo Reyes
• Nefud
• Negaprion