noun Download 🔗Share A stain contrasting with the principal stain in color, thus making the stained structure easier to see Examples : "After staining the bacteria with a primary stain, the lab technician used a counterstain of safranin to make the cell walls more visible under the microscope. " color medicine biology biochemistry science Chat with AIVocabulary GamePractice Reading
verb Download 🔗Share To stain with a counterstain Examples : "After staining the bacteria with a primary stain, the lab technician will counterstain them with a different color to make them easier to see under the microscope. " biology biochemistry medicine science Chat with AIVocabulary GamePractice Reading