Term: helium: a very light colorless element that is one of the six inert gasses; the most difficult gas to liquefy; occurs in economically extractable amounts in certain natural gases (as those found in Texas and Kansas)
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: cooking oil: any of numerous vegetable oils used in cooking
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: muscadine: native grape of southeastern United States; origin of many cultivated varieties
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: dicynodontia: a division of Therapsida
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: conservation: the preservation and careful management of the environment and of natural resources
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: home invasion: burglary of a dwelling while the residents are at home
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: enormity: the quality of extreme wickedness
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: myelogram: X-ray film of the spinal cord and spinal nerve roots and subarachnoid space
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: tramline: the track on which trams or streetcars run
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: crape jasmine: tropical shrub having glossy foliage and fragrant nocturnal flowers with crimped or wavy corollas; northern India to Thailand
Broader: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table | Unrelated: topper: a worker who cuts tops off (of trees or vegetables etc.)