class number
noun
= class mark.
Origin
Late 19th century.
- pentadic
- pentadodecahedron
- pentadrachm
- pentaerithritol
- pentaerythritol
- pentaerythritol tetranitrate
- pentafid
- pentagastrin
- pentaglot
- pentagon
- pentagonal
- pentagonally
- pentagon-dodecahedron
- Pentagonese
- Pentagonian
- pentagonohedron
- pentagonoid
- pentagonous
- pentagram
- pentagrid
- Pentagynia
- pentahedral
- pentahedron
- pentahydrate
- pentahydrated