cyanine
/ˈsaɪəˌnin/
noun
- A blue or greenish-blue dye used in photography, medicine, and biological staining.
- The lab technician used cyanine to stain the cell samples for better visibility under the microscope.
- Cyanine dyes are popular in medical imaging because they glow brightly under certain lights.
- The photographer added a cyanine solution to the film to enhance the blue tones in the picture.