Term: nitrogen oxide: any of several oxides of nitrogen formed by the action of nitric acid on oxidizable materials; present in car exhausts
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: vigor: active strength of body or mind
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: indentation: the act of cutting into an edge with toothlike notches or angular incisions
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: genus idesia: one species
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: bank draft: a draft drawn by a bank against funds deposited in another bank
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: spring vetchling: bushy European perennial having nodding racemose violet-blue flowers
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: line worker: an employee who works on an assembly line
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: stenochlaena: large tropical ferns; some epiphytic climbers and some terrestrial bog ferns; Africa; Asia; Australasia
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: form: a perceptual structure
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: camp: temporary lodgings in the country for travelers or vacationers
Broader: pollutant: waste matter that contaminates the water or air or soil | Unrelated: tweeter: a loudspeaker that reproduces higher audio frequency sounds