staining


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Related to staining: Gram staining

stain

 (stān)
v. stained, stain·ing, stains
v.tr.
1. To discolor, soil, or spot: The spilled juice stained the carpet.
2. To bring into disrepute; taint or tarnish: The scandal stained the mayor's reputation.
3. To change the color of (a piece of wood, for example) by applying a stain.
4. To treat (a specimen for the microscope) with a reagent or dye in order to identify cell or tissue structures or microorganisms.
v.intr.
To produce or receive discolorations: upholstery that stains easily.
n.
1. A discolored or soiled spot or smudge: a stain that was difficult to scrub out.
2. A diminishment of one's moral character or good reputation by being associated with something disgraceful.
3. A liquid substance applied especially to wood that penetrates the surface and imparts a rich color.
4. A reagent or dye used for staining microscopic specimens.

[Middle English steinen, partly from Old French desteindre, desteign-, to deprive of color (des-, dis- + teindre, to dye, from Latin tingere), and partly from Old Norse steina, to paint.]

stain′a·ble adj.
stain′er n.
Synonyms: stain, blot1, brand, stigma, taint
These nouns denote a mark of discredit or disgrace, as on one's good name: a stain on his honor; a blot on an otherwise clean police record; the brand of cowardice; the stigma of ignominious defeat; the taint of political corruption.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.staining - (histology) the use of a dye to color specimens for microscopic study
dyeing - the use of dye to change the color of something permanently
Gram method, Gram stain, Gram's method, Gram's procedure, Gram's stain - a staining technique used to classify bacteria; bacteria are stained with gentian violet and then treated with Gram's solution; after being decolorized with alcohol and treated with safranine and washed in water, those that retain the gentian violet are Gram-positive and those that do not retain it are Gram-negative
histology - the branch of biology that studies the microscopic structure of animal or plant tissues
2.staining - the act of spotting or staining somethingstaining - the act of spotting or staining something
dirtying, soiling, soilure - the act of soiling something
Translations

staining

n
(= change in colour)(Ver)färbung f; (= soiling)Verschmutzung f
(esp Tech: = dyeing) → Färben nt; (of wood)Beizen nt

stain·ing

n. coloración, tintura.
References in classic literature ?
Having further accustomed themselves to the breaking of furniture and the staining of walls -- to thumping, tumbling, hammering, and screaming; to doors always banging, and to footsteps perpetually running up and down stairs -- the nominal master and mistress of the house fondly believed that their chief troubles were over.
When that window was wrought, my noble friend, our hardy fathers knew not the art of making glass, or of staining it The pride of Wolfganger's father brought an artist from Normandy to adorn his hall with this new species of emblazonment, that breaks the golden light of God's blessed day into so many fantastic hues.
And how charming he had been at dinner the night before, as with startled eyes and lips parted in frightened pleasure he had sat opposite to him at the club, the red candleshades staining to a richer rose the wakening wonder of his face.
D'Artagnan even fancied he could recognize amid this strange disorder, fragments of garments, and some bloody spots staining the cloth and the curtains.
For centuries the Little People had hived and swarmed from cleft to cleft, and swarmed again, staining the white marble with stale honey, and made their combs tall and deep in the dark of the inner caves, where neither man nor beast nor fire nor water had ever touched them.
That trick of staining the fishes' scales of a delicate pink is quite peculiar to China.
The letters were still legible, but it was perfectly clear from their blurred appearance, and from the staining of the skin round them, that efforts had been made to obliterate them.
She went stealthily as a cat through this profusion of growth, gathering cuckoo-spittle on her skirts, cracking snails that were underfoot, staining her hands with thistle-milk and slug-slime, and rubbing off upon her naked arms sticky blights which, though snow-white on the apple-tree trunks, made madder stains on her skin; thus she drew quite near to Clare, still unobserved of him.
When he saw all the gaping wounds, looking up to the bright heavens as if to demand back of them the souls to which they had opened a passage, - when he saw the slaughtered horses, stiff, their tongues hanging out at one side of their mouths, sleeping in the shiny blood congealed around them, staining their furniture and their manes, - when he saw the white horse of M.
The room was empty save for herself and the still form of the jeddak of Lothar lying at her feet, a little pool of crimson staining the white marble of the floor beside him.
I'd go home and write a poem this blessed minute if I only knew how," declared Phil, pausing in an open space where a rosy light was staining the green tips of the pines.
The Doctor still read from cover to cover his Lancet and his Medical Journal, attended all professional gatherings, worked himself into an alternate state of exaltation and depression over the results of the election of officers, and reserved for himself a den of his own, in which before rows of little round bottles full of glycerine, Canadian balsam, and staining agents, he still cut sections with a microtome, and peeped through his long, brass, old-fashioned microscope at the arcana of nature.