Meanings
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1
adj
operating or living or growing in water
boats are aquatic vehicles
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2
adj
relating to or consisting of or being in water
an aquatic environment
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3
noun
a plant that lives in or on water
The word aquatic appears in scientific writing with a precise technical sense.
Etymology
Etymology tree Proto-Indo-European *h₂ékʷeh₂ Proto-Italic *akʷā Latin aqua Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-tós Proto-Indo-European *-eh₂tos Proto-Italic *-ātos Latin -ātus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icus Latin -āticus Latin aquāticusder. Middle French aquatiquebor. English aquatic Borrowed from Middle French aquatique (“living in water”), from Latin aquaticus (“relating to water”), from aqua (“water”).