1. ammonium alum a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
  2. ammonia alum a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
  3. Ammobium alatum Australian plant widely cultivated for its beautiful silvery-white blooms with bright yellow centers on long winged stems
  4. ammonium ion the ion NH4 derived from ammonia
  5. ammoniacal pertaining to or containing or similar to ammonia
  6. ammonium the ion NH4 derived from ammonia
  7. minimalism an art movement in sculpture and painting that began in the 1950s and emphasized extreme simplification of form and color
  8. ammonia clock an atomic clock based on vibrational frequency of the nitrogen atom in the ammonia molecule
  9. ammonium chloride a white salt used in dry cells
  10. common plum any of various widely distributed plums grown in the cooler temperate areas
  11. Monomorium a genus of Formicidae
  12. common mallow annual Old World plant with clusters of pink or white flowers; naturalized in United States
  13. Amontillado pale medium-dry sherry from Spain
  14. ammonium carbamate a salt of carbamic acid that is used as a nitrogen fertilizer
  15. ammoniuria excessive ammonia in the urine
  16. common mullein tall-stalked very woolly mullein with densely packed yellow flowers; ancient Greeks and Romans dipped the stalks in tallow for funeral torches
  17. omnium-gatherum a motley assortment of things
  18. amylum a complex carbohydrate found chiefly in seeds, fruits, tubers, roots and stem pith of plants, notably in corn, potatoes, wheat, and rice; an important foodstuff and used otherwise especially in adhesives and as fillers and stiffeners for paper and textiles
  19. ammonia water a water solution of ammonia
  20. ammonia a pungent gas compounded of nitrogen and hydrogen (NH3)

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.