noun, plural pen·ta·he·drons, pen·ta·he·dra [pen-tuh–hee-druh] /ˌpɛn təˈhi drə/.
- a solid figure having five faces.
noun plural -drons or -dra (-drə)
- a solid figure having five plane facesSee also polyhedron
noun, plural pen·ta·he·drons, pen·ta·he·dra [pen-tuh–hee-druh] /ˌpɛn təˈhi drə/.
noun plural -drons or -dra (-drə)