stain

A noun referring to a mark, discoloration, or blemish on a surface, or a substance used to impart color, especially in microscopy.

ruСуществительное, обозначающее пятно, обесцвечивание или дефект на поверхности, или вещество, используемое для придания цвета, особенно в микроскопии.esSustantivo que designa una marca o decoloración en una superficie, o una sustancia utilizada para teñir, especialmente en microscopía.frNom désignant une marque ou une tache laissée sur une surface, une décoloration ou un défaut, ou encore une substance colorante utilisée pour teindre, notamment en microscopie.deSubstantiv, das einen Fleck, eine Verfärbung oder einen Mangel auf einer Oberfläche bezeichnet, oder einen Farbstoff, der zum Färben verwendet wird, insbesondere in der Mikroskopie.ptSubstantivo que designa uma mancha, descoloração ou defeito na superfície de algo, ou uma substância corante usada para dar cor, especialmente em microscopia.zh指物体表面的污点、变色或瑕疵，也指用于着色的染料或试剂，尤指显微镜检查中使用的染色剂。arاسم يدل على علامة أو بقعة على سطح ما، أو تغيّر في اللون أو عيب فيه، أو مادة تُستخدم لإعطاء اللون، خاصة في علم الأحياء المجهري.

1. Discoloration or mark A2 formal

   A mark or spot that is difficult to remove, often caused by dirt, liquid, or other substances.

   • The red wine left a permanent stain on the white tablecloth.
   • She tried to remove the grass stain from her jeans.
   • The old carpet had several dark stains.

   ruПятноesmanchafrtachedeFleckptManchazh污渍arبُقعة

   المرادفات: blemishblotblotchdiscolorationmarksmudgesplotchspot

2. Microscopy dye C1 formal scientific

   A dye or coloring material used in microscopy to make structures visible.

   • The biologist applied a fluorescent stain to the cell sample.
   • Gram stain is used to classify bacteria.
   • The tissue was treated with a special stain to highlight the nuclei.

   ruКрасительesColorante de microscopíafrcolorant de microscopiedeFarbstoffptCorantezh染料arصبغة مجهرية

   المرادفات: dyetint

3. State of being dirty B1 formal

   The condition of being covered with unclean or dirty things.

   • The kitchen floor was in a state of stain after the party.
   • His clothes were in a terrible stain from working in the garden.
   • The stain on the walls indicated years of neglect.

   ruСостояние загрязненияesEstado de estar suciofrétat de saletédeZustand der VerschmutzungptEstado de sujeirazh污染状态arحالة الاتساخ

   الأضداد: cleanlinesspurityspotlessness

4. Symbol of disgrace B2 formal

   A mark of shame or dishonor on a person's reputation.

   • The scandal left a stain on his otherwise clean record.
   • Her actions brought a stain upon the family name.
   • The betrayal was a stain that could never be washed away.

   ruПятно позораesMarca de deshonrafrtache (sur la réputation)deMakel der SchandeptMancha na reputaçãozh污点arوصمة عار

   المرادفات: blemishblotslursmirchstigmatainttarnish

   الأضداد: creditgloryhonor

5. Discrediting act B2 formal

   An action that brings discredit or dishonor to the person who performs it.

   • His dishonesty was a stain on his character.
   • The politician's corruption was a stain on his career.
   • She considered the lie a stain on her integrity.

   ruПятноesMancha (deshonra)frAction déshonorantedeSchandfleckptManchazh污点arوصمة عار

   المرادفات: blotsmirchspottainttarnish

   الأضداد: creditgloryhonorpraise

• stains plural form
• stains' possessive plural form
• stain's possessive singular form

A verb used to indicate the act of marking or discoloring something, or applying a coloring agent to a surface.

ruГлагол, используемый для обозначения действия по нанесению отметки или обесцвечиванию чего-либо, или нанесения красящего вещества на поверхность.esVerbo que denota la acción de marcar o decolorar algo, o de aplicar una sustancia colorante a una superficie.frVerbe désignant l'action de marquer ou de décolorer quelque chose, ou d'appliquer une substance colorante sur une surface.deVerb, das bezeichnet, einen Fleck oder eine Verfärbung auf etwas zu verursachen, eine Fläche mit einer farbigen Substanz zu behandeln oder etwas zu beschmutzen.ptVerbo usado para indicar a ação de marcar ou descolorir algo, ou aplicar uma substância corante a uma superfície.zh动词，指弄脏或留下污渍；也指给某物上色或染色。arفعل يُستخدم للإشارة إلى إحداث علامة أو تغيير اللون في شيء ما، أو وضع مادة ملونة على سطح.

1. Color with a liquid dye or tint B1 formal

   To apply a coloring agent, such as dye or pigment, to a surface, typically wood or fabric.

   • He stained the wooden table a rich mahogany color.
   • She stained the fabric with a natural plant-based dye.
   • The carpenter stained the new bookshelf to match the existing furniture.

   ruОкрашиватьesTeñir, tintarfrTeindredeBeizenptMancharzh染色arتلوين بالصباغ

   المرادفات: colordyeimbuetingetint

   الأضداد: bleachwhiten

2. Produce or leave stains A2 formal

   To cause a mark or discoloration that is difficult to remove.

   • Red wine stains the carpet easily.
   • The grass stains on his jeans were hard to wash out.
   • Be careful, the ink from this pen stains your fingers.

   ruОставлять пятнаesMancharfrtacherdeFlecken hinterlassenptDeixar manchaszh留下污渍arترك البقع

   المرادفات: blemishblotdiscolormarksmudgesoilspottarnish

   الأضداد: bleachcleanpurifywhiten

3. Make dirty or spotty B2 formal

   To spoil the appearance of something by leaving a mark; can also be used metaphorically to mean tarnish a reputation.

   • The scandal stained his otherwise spotless career.
   • The rain stained the freshly painted wall.
   • Her reputation was stained by the false accusations.

   ruЗапятнатьesMancharfrtacher, souillerdeBefleckenptMancharzh弄脏arلوّث

   المرادفات: besmirchblemishblotchdirtydiscolorsmudgesoilspotsullytarnish

   الأضداد: cleanpurify

4. Color for microscopic study C1 formal scientific

   To apply a special dye to biological specimens to make structures visible under a microscope.

   • The biologist stained the tissue sample to highlight the cell nuclei.
   • To identify the bacteria, the lab technician stained the slide.
   • Different stains are used to visualize various cellular components.

   ruОкрашиватьesTeñirfrColorer pour étude microscopiquedeFärbenptCorar para microscopiazh染色arتلوين العينات المجهرية

   المرادفات: colordyetingetint

• stained past participle
• stained past simple
• staining present participle
• stains third person singular