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amphibolite
amphibology
amphibrach
amphictyony
amphigenetic
amphigory
amphimacer
amphimixis
amphioxus
amphipod
amphiprostyle
amphiprotic
amphisbaena
amphistylar
amphitheater
amphitheatre
amphora
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amphioxus
am·phi·ox·us [ àmfee óksəss ] (plural am·phi·ox·i [ àmfee ók s ] or am·phi·ox·us·es)


noun 
Definition:
 
marine biology 
Same as  lancelet
[Mid-19th century. < modern Latin, "sharp at both sides" < Greek amphi- "at both sides" + oxus "sharp"]
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