• synonyms


[ak-wuh, ah-kwuh]
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noun, plural aq·uae [ak-wee, ah-kwee] /ˈæk wi, ˈɑ kwi/, aq·uas.
  1. Chiefly Pharmacology.
    1. water.
    2. a liquid.
    3. a solution, especially in water.
  2. a light greenish-blue color.
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  1. having the color aqua.
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Origin of aqua

1350–1400; Middle English < Latin: water
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words

drink, rain, juice, broth, vapor, goo, slop, nectar, swill, flux, liquor, flow, solution, elixir, secretion, sap, extract, aqua, goop, saliva

Examples from the Web for aquae

Historical Examples

British Dictionary definitions for aquae


noun plural aquae (ˈækwiː) or aquas
  1. water: used in compound names of certain liquid substances (as in aqua regia) or solutions of substances in water (as in aqua ammoniae), esp in the names of pharmacological solutions
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  1. short for aquamarine (def. 2)
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Word Origin

Latin: water
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for aquae



"water," late 14c.; see aqua-. Used in late Middle English in combinations to mean "decoction, solution" (cf. aqua regia, a mix of concentrated acids, literally "royal water," so called for its power to dissolve gold and other "noble" metals). As the name of a light greenish-blue color, 1936.

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Online Etymology Dictionary, © 2010 Douglas Harper