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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)
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stain
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
(microscopy) a dye or other coloring material that is used in microscopy to make structures visible
noun.substance
3 Subcategories
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gentian violet, crystal violet go
a green crystal (violet in water) used as a dye or stain or bactericide or fungicide or anthelmintic or burn treatment
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methylene blue, methylthionine chloride go
a dark green dye used as a stain, an antiseptic, a chemical indicator, and an antidote in cyanide poisoning
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counterstain go
a stain of contrasting color that is used when the principal stain does not show the structure clearly