Term: noble gas: any of the chemically inert gaseous elements of the helium group in the periodic table
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: line: a mark that is long relative to its width
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: contopus: pewees
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: oil change: replacing dirty oil with clean
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: sallow: any of several Old World shrubby broad-leaved willows having large catkins; some are important sources for tanbark and charcoal
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: hysteric: a person suffering from hysteria
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: proteus: type genus of the Proteidae
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: massicot: the mineral form of lead monoxide; in the form of yellow powder it is used as a pigment
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: purchase contract: a contract stating the terms of a purchase
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: shot: a chance to do something
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: gelatin: an edible jelly (sweet or pungent) made with gelatin and used as a dessert or salad base or a coating for foods