- of, like, or containing water
- dissolved in water: aqueous ammonia
- (of rocks, deposits, etc) formed from material laid down in water
WordReference Random House Learner's Dictionary of American English © 2026
a•que•ous /ˈeɪkwiəs, ˈækwi-/USA pronunciation
adj.
WordReference Random House Unabridged Dictionary of American English © 2026- of, like, or containing water:an aqueous solution.
a•que•ous
(ā′kwē əs, ak′wē-),USA pronunciation adj.
a′que•ous•ly, adv.
a′que•ous•ness, n.
- of, like, or containing water;
watery:an aqueous solution. - (of rocks or sediments) formed of matter deposited in or by water.
- aqu(a) + -eous 1635–45
a′que•ous•ness, n.
Collins Concise English Dictionary © HarperCollins Publishers::
aqueous /ˈeɪkwɪəs; ˈækwɪ-/ adj
'aqueous' also found in these entries (note: many are not synonyms or translations):
ammonium hydroxide
- aqueous humour
- carbonic acid
- humour
- hydriodic acid
- hydrobromic acid
- hydrochloric acid
- hydrocyanic acid
- hydrofluoric acid
- hydrogen bromide
- hydrogen chloride
- hydrogen cyanide
- hydrogen fluoride
- hydrogen iodide
- hydrogen ion
- hydrogen peroxide
- Leclanché cell
- mouthwash
- nitric acid
- orchil
- prussic acid
- sal volatile
- saliva
- sodium silicate
- solvation
- spirit
- spirits of hartshorn
- strong
- water
- algin fiber
- ammonia
- aqueous ammonia
- aqueous humor
- baryta water
- boric acid
- chrysoidine
- disperse dye
- Dobell's solution
- fluosilicic acid
- formaldehyde
- formalin
- glaucoma
- hydration number
- hydronium ion
- hydrothermal
- isotonic sodium chloride solution
- lime sulfur
- limewater
- lotion
- lye