Term: ozone: a colorless gas (O3) soluble in alkalis and cold water; a strong oxidizing agent; can be produced by electric discharge in oxygen or by the action of ultraviolet radiation on oxygen in the stratosphere (where it acts as a screen for ultraviolet radiation)
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: field thistle: stout North American thistle with purplish-pink flower heads
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: cowboy: a hired hand who tends cattle and performs other duties on horseback
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: perniciousness: grave harmfulness or deadliness
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: caribou: Arctic deer with large antlers in both sexes; called `reindeer' in Eurasia and `caribou' in North America
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: sforzando: an accented chord
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: notochord: a flexible rodlike structure that forms the supporting axis of the body in the lowest chordates and lowest vertebrates and in embryos of higher vertebrates
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: starter: a culture containing yeast or bacteria that is used to start the process of fermentation or souring in making butter or cheese or dough
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: prairie star: plant with mostly basal leaves and slender open racemes of white or pale pink flowers; prairies and open forest of northwestern United States to British Columbia and Alberta
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: navigator: the member of an aircrew who is responsible for the aircraft's course
Broader: gas: a fluid in the gaseous state having neither independent shape nor volume and being able to expand indefinitely | Unrelated: streptobacillus: any of various rod-shaped Gram-negative bacteria