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overstain

transitive verb
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Definition of overstain

: to stain to excess specifically : to stain (tissue sections) excessively especially in order to demonstrate selected elements by controlled destaining

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“Overstain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/overstain. Accessed 10 Aug. 2020.

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