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noun

ammonia

CEFR B2

a pungent colorless gas of nitrogen and hydrogen, often dissolved in water as a cleaner

In a sentence

Six example sentences with ammonia, each labelled with its topic.

  • Fermented shark on an Icelandic tasting plate gives off such a blast of ammonia that first-timers pinch their noses before the bite.

    Cooking

  • Old ice rinks chilled their pipes with ammonia, and a leak announced itself with an eye-watering stench long before any gauge moved.

    Technology

  • Architects once developed blueprints in ammonia vapor, and the copying room's sharp smell clung to everyone's clothes for the rest of the day.

    Architecture

  • The Haber process makes ammonia by forcing nitrogen and hydrogen together under enormous pressure over an iron catalyst.

    Science

  • Ammonia drifting from livestock sheds settles on nearby heathland, feeding grasses that crowd out the rarer plants.

    Environment

  • Fritz Haber's ammonia synthesis in 1909 let farms produce fertilizer from air, and harvests around the world grew.

    History

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Found in these word lists

Found in 2 published word listsAuthoritative

Each source is a published word list that contains ammonia. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.