Beg·giatoa | \ bə-ˈja-tə-wə, ˌbe-jə-ˈtō-ə \
Definition of Beggiatoa
: a genus (the type of the family Beggiatoaceae) of colorless filamentous sulfur bacteria of the order Beggiatoales that in form and motility resemble algae of the family Oscillatoriaceae and that often form thick mats of unsheathed filaments in swamps, sulfur springs, and seawater
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