1. a type of green freshwater algae that forms long, thread-like chains and is commonly found in ponds and slow-moving water
Usage: biology

Examples

• The biology students examined spirogyra under the microscope to observe its spiral chloroplasts.
• Spirogyra can be found floating in masses on the surface of quiet ponds.
• The green, slimy threads in the aquarium turned out to be spirogyra algae.
• During spring, spirogyra often forms thick mats in freshwater habitats.
• The distinctive spiral arrangement of chloroplasts makes spirogyra easy to identify.
• Spirogyra reproduces through a process called conjugation between adjacent filaments.