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stain
has definitions from the field of color
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[ verb ] (color) color with a liquid dye or tint
Examples "Stain this table a beautiful walnut color" "people knew how to stain glass a beautiful blue in the middle ages" Used in print (M. Yokoyama et al., "Chemical and serological...)Five milliamperes / cell were applied for 18 hr , after which the strips were stained with bromophenol_blue and densitometry was carried_out using a Spinco_Analytrol . At the end of the run , the strips in the third and sixth positions in each chamber were dried , stained for 1 hr , washed and dried , while the other strips were maintained in a horizontal position at 1 ` C . (A. N. Nagaraj and L. M. Black, "Localization of...)Sections of sweet_clover stem and root tumors were treated with 1 : 10 solution of * * f for 30_minutes , washed in buffered saline for 15_minutes , stained with * * f for 30_minutes , and washed for 15_minutes in PBS . This specific fluorescence was readily distinguished from the light_green nonspecific fluorescence in consecutive sections stained with 1 : 10 dilution of NS and * * f or with * * f alone . Sections of crown_gall tissue similarly stained with either * * f and * * f or NS and * * f also showed only the light_green nonspecific fluorescence . |
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[ noun ] a soiled or discolored appearance
Synonyms Examples "the wine left a dark stain" Used in print (Jay C. Harris and John R. Van Wazer, "Detergent...)Stains , which include the wide variety of nonparticulate materials which give color even when present in very low concentration on the soiled object . Greases , stains , and miscellaneous soils are usually sorbed onto the soiled surface . The other constituents in a built detergent assist in this and in the removal of dirty stains and the hydrophilic sticky or dried soils . Related terms appearance scorch iron_mold mud_stain oil_stain tarnish bloodstain discolor |
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[ verb ] (color) produce or leave stains
Examples "Red wine stains the table cloth" Used in print (A. N. Nagaraj and L. M. Black, "Localization of...)In the indirect method , this was evident from the fact that tumor sections were stained light_green even when stained with NS and * * f or with * * f only . |
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[ verb ] make a spot or mark onto
Examples "The wine spotted the tablecloth" Used in print (Terence O'Donnell, "Evenings at the Bridge"...)The singer simply matches the poem to a mode ; for_example , the mode of bravery to this anonymous folk poem : `` They brought me news that Spring is in the plains And Ahmad 's blood the crimson tulip stains ; Go , tell his aged mother that her son Fought with a_thousand foes , and he was one '' . |
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[ noun ] (color) a dye or other coloring material that is used in microscopy to make structures visible
Used in print (J. W. C. Hagstrom et al., "Debilitating muscular...)Trichrome stains failed to show fibrosis in the involved muscles . Related terms coloring_material gentian_violet methylene_blue counterstain microscopy |
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[ verb ] make dirty or spotty, as by exposure to air, of metals; also used metaphorically
Examples : "The silver was tarnished by the long exposure to the air" "Her reputation was sullied after the affair with a married man" |
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[ verb ] (color) color for microscopic study
Examples "The laboratory worker dyed the specimen" Related terms |
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[ noun ] a symbol of disgrace or infamy
Examples "And the Lord set a mark upon Cain"--Genesis Related terms |
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