tet·ra·he·dron 
(tĕt′rə-hēdrən)
(tĕt′rə-hēdrən)n. pl. tet·ra·he·drons or tet·ra·he·dra (-drə)
A polyhedron with four faces.
[Greek tetraedron, from neuter of tetraedros, four-faced : tetra-, tetra- + -hedros, sided; see -HEDRON.]
tetrahedron- public-spirited
- public-spiritedness
- public television
- public utility
- public works
- publish
- publishable
- publisher
- Publius Aelius Hadrianus.
- Publius Cornelius
- Publius Cornelius
- Publius Cornelius
- Publius Licinius Valerianus.
- Publius Ovidius Naso.
- Publius Terentius Afer.
- Publius Vergilius Maro.
- Puccini
- puccoon
- puce
- puck
- Puck
- pucka
- pucka
- puck control
- pucker