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echinus
echo
echo boomer
echo chamber
echo plate
echo quilting
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echocardiogram
echocardiograph
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echidna

e·chid·na [ i kídnə ] (plural e·chid·nas)


noun 
Definition:
 
spiny mammal: a spiny insect-eating mammal with a long snout and strong claws. Native to: Australia, New Guinea.  Family Tachyglossidae.

[Mid-19th century. Via modern Latin, "viper" < Greek ekhidna< ekhis "viper"]
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