Definition of stain in English:

stain

Line breaks: stain
Pronunciation: /steɪn
 
/

verb

[with object]

noun

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  • 1A coloured patch or dirty mark that is difficult to remove: there were mud stains on my shoes
    More example sentences
    • Then when I tried to spit on my fingers and clean the stains they become dirty mud stains.
    • Anna was dressed in a dirty nightgown with mud stains on her.
    • Trouble is it's so hot it's difficult to remove those stubborn stains.
    Synonyms
  • 1.1A thing that damages or brings disgrace to someone or something’s reputation: he regarded his time in gaol as a stain on his character
    More example sentences
    • Fully 18 months after being suspended from duty they can go back to work without a stain on their reputations.
    • That it is largely ignored is a stain on the reputation of those who would have us believe they have the good of the theatre at heart.
    • It is a story of savage in-fighting which has left a bloody stain on the club's reputation.
    Synonyms
    blemish, injury, taint, blot, blot on one's escutcheon, slur, smear, discredit, dishonour, stigma; damage
  • 2A penetrative dye or chemical used in colouring a material or object.
    More example sentences
    • Now several companies are providing training for stamped concrete, polymer overlays, and chemical stains.
    • They cut borders and pattern lines into the surface to separate different applications of colored chemical stains.
    • Chemical stains and polymer toppings are now being distributed through construction supply houses.
    Synonyms
    tint, colour, dye, tinge, shade, pigment, colourant; varnish, paint, colour wash
  • 2.1 Biology A special dye used to colour organic tissue so as to make the structure visible for microscopic examination.
    More example sentences
    • Elastic trichrome and trichrome stains of the liver tissue failed to show evidence of fibrosis.
    • A mucicarmine stain of the tissue was focally positive, but no capsular material was identified surrounding the organisms.
    • A cytospin slide was also stained with a Papanicolaou stain and examined in cytology.
  • 2.2 Heraldry Any of the minor colours used in blazoning and liveries, especially tenné and sanguine.
    More example sentences
    • Also, the abatements, which, were they in metals or colors, were rare but otherwise not unusual charges, were tinctured in the two stains: sanguine, better known as wine-color or murrey, and tenne or orange.
    • Next among the colours of heraldry are the three stains: tenné, murrey (supposedly a colour associated with mulberries) and sanguine (or blood colour).

Derivatives

stainable

adjective
More example sentences
  • The diameter of about 83% of the stainable pollen grains ranged between 110 and 140 m; 5% had a smaller diameter and 12% a larger diameter.
  • During cell division, the stainable, inactive DNA appears in the form of threads or rods called chromosomes.
  • He noticed that some material scattered throughout the nucleus heavily absorbed the dye and coined the word chromatin to describe this dark, stainable substance.

stainer

noun
More example sentences
  • A nation of snackers has become a nation of stainers.
  • Boucher grew up near the Hotel de Ville in Paris, in the Rue de Verrerie, which was, as its name suggests, a street inhabited mostly by stainers and other workers in glass.
  • Although water-based sealers and stainers are environmentally friendly, they do not apply well to wood.

Origin

late Middle English (as a verb): shortening of archaic distain, from Old French desteindre 'tinge with a colour different from the natural one'. The noun was first recorded (mid 16th century) in the sense 'defilement, disgrace'.

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