pentatomic /pen-tə-tomˈik/ (chem)

1. Having five atoms, esp five atoms of replaceable hydrogen
2. Pentavalent

• impendency
• impendent
• impending
• impends
• impenetrabilities
• impenetrability
• gump
• gumped
• gumphion
• gumphions
• gumping
• gumple-foisted
• gumps
• gumption
• gumptions
• gumptious
• gum rash
• gum resin
• gum resins
• gums
• gum sandarach
• gumshield
• gumshields
• gumshoe
• gumshoed