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water bug

(Encyclopedia)water bug, name for a large number of water-living bugs, comprising several families of the order Hemiptera (true bugs). All have jointed, sharp, sucking beaks, breathe air, and undergo gradual metamo...

water clover

(Encyclopedia)water clover, common name for various species of aquatic ferns. ...

water fern

(Encyclopedia)water fern, common name for various species of aquatic ferns. ...

water flea

(Encyclopedia)water flea: see crustacean.

water gas

(Encyclopedia)water gas, colorless poisonous gas that burns with an intensely hot, bluish (nearly colorless) flame. The gas is a mixture of carbon monoxide and hydrogen with very small amounts of other gases, e.g.,...

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