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Definition of astrobiologist noun from the Oxford Advanced Learner's Dictionary

astrobiologist

noun
 
/ˌæstrəʊbaɪˈɒlədʒɪst/
 
/ˌæstrəʊbaɪˈɑːlədʒɪst/
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  1. a scientist who studies life on other planetsTopics Spacec1
influence
verb
 
 
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