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Noun: helium group  hee-lee-um groop
  1. The series of inert gases

Derived forms: helium groups

Type of: series

Nearest

heliotropic
heliotropism
heliotype
Heliozoa
heliozoan
helipad
heliport
Helipterum
Helipterum manglesii
helium
helium group
helix
Helix
helix angle
Helix aspersa
Helix hortensis
Helix pomatia
hell
Hell
he'll
hell dust