əˈmēbōˌbaktə(r) noun
Etymology: New Latin, from Amoeba + -o- + -bacter
1. capitalized : a genus of purple sulfur bacteria (family Thiorhodaceae) having spherical or elongated cells that are aggregated in amoeboid colonies without an enclosing capsule and that occur in mud and stagnant water
2. -s : any organism of the genus Amoebobacter