1. A single-celled organism with both plant and animal characteristics, found in freshwater and capable of moving with a whip-like tail.
Usage: biology; typically used in scientific or educational contexts

Examples

• The biology student observed euglena under the microscope during the lab.
• Euglena contains chlorophyll, which allows it to photosynthesize like a plant.
• The euglena moved through the water using its flagellum.
• In the pond sample, we found several species of euglena among other microorganisms.
• Euglena is often used as a model organism in cell biology courses.