Term: nitrogen dioxide: a highly poisonous brown gas (NO2)
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: diving board: a springboard from which swimmers can dive
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: orange bat: a common bat of northwestern Australia having orange or yellow fur
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: lunch meat: any of various sausages or molded loaf meats sliced and served cold
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: fail-safe: a mechanism capable of returning to a safe state in case there is a failure or malfunction
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: alphabet: a character set that includes letters and is used to write a language
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: venetian blind: a window blind made of horizontal strips that overlap when closed
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: sandblast: a blast of wind laden with sand
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: universality: the quality of being universal; existing everywhere
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: invulnerability: the property of being invulnerable; the property of being incapable of being hurt (physically or emotionally)
Broader: substance: the real physical matter of which a person or thing consists | Unrelated: maltose: a white crystalline sugar formed during the digestion of starches