Synonyms and Antonyms for hydrogen-cyanide

1. hydrogen cyanide (n.)

a highly poisonous gas or volatile liquid that smells like bitter almonds; becomes a gas at around 90 degree Fahrenheit and is most dangerous when inhaled; the anhydride of hydrocyanic acid; used in manufacturing

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2. hydrogen-bomb (v.)

attack with a hydrogen bomb

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3. hydrogen (n.)

a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe

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4. cyanide (n.)

any of a class of organic compounds containing the cyano radical -CN


5. cyanide (n.)

an extremely poisonous salt of hydrocyanic acid

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