noun
- small structures in plant cells that contain pigments or store materials, including chloroplasts that contain chlorophyll
Usage: biology
Examples
- Chloroplasts are the most well-known type of plastids in plant cells.
- Plastids are responsible for photosynthesis in green plants.
- Different types of plastids store starch, oils, or pigments.
- The plastids in flower petals contain colorful pigments.
- Students examined plastids under the microscope during biology class.
- Plastids are found only in plant cells, not in animal cells.