A combining form meaning 'water' used in chemistry and medicine to create compound words.
From Latin 'aqua' (water). Used as a prefix starting in the 18th-19th centuries to indicate water-based compounds or aqueous solutions.
The prefix 'aquo-' appears in thousands of scientific terms, showing how chemistry developed a universal language—'aquoresin' (water-based resin) is used in everything from paints to adhesives!
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