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Azov, Sea of
AZT
Aztec
Aztec-Tanoan
aztreonam
azuki bean
azure
azurite
Azusa
azygos
B (1)
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B (3)
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azoic

a·zo·ic [ ay zṓ ik, ə zṓ ik ]


adjective 
Definition:
 
1. before there was life on Earth: relating to or belonging to a geologic period before the appearance of living organisms on Earth

2. without any life: exhibiting no trace of life or organic remains

[Mid-19th century. < Greek azōos "without life" < zōē "life"]
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