1. a modified form of bacteria found in root nodules of leguminous plants that fixes nitrogen
Usage: biology

1. resembling bacteria in form or structure
Usage: biology

Examples

• The bacteroids in soybean root nodules convert atmospheric nitrogen into ammonia.
• Scientists studied the bacteroid cells under a microscope.
• Rhizobia bacteria transform into bacteroids within the plant tissue.
• The bacteroid structures were clearly visible in the cross-section.
• These bacteroid forms are essential for the nitrogen fixation process.
• The research focused on bacteroid development in legume roots.