"(microscopy) a dye or other coloring material that is used in microscopy to make structures visible"@en-us . . "stain"^^ . "114199357"@en-us . . . "15052970-n"^^ . "stain"@en-us . "(microscopy) a dye or other coloring material that is used in microscopy to make structures visible"@en-us . . . "115052970"^^ . . . . "0"^^ . . . . . "0"^^ . .