overstain
English edit
Etymology edit
Verb edit
overstain (third-person singular simple present overstains, present participle overstaining, simple past and past participle overstained)
- (transitive) To stain the surface of; besmear.
- 2004, Robert N. Trigiano, Dennis J. Gray, Plant Development and Biotechnology - Page 46:
- It is very difficult to overstain with safranin. Wash slides with several changes of water, until water is no longer pink.