(פ') להכתים; לצבוע; לגוון

הכתמה, צביעת הבטון עקב התאדות של חומרים מסיסים במים העוברים דרך הסדקים לפני הבטון. הכתמים יכולים להופיע בצבעים רבים אך צבע חום יכול להעיד על קורוזיה בזיון הבטון

v. discolor, smudge, spot; color by applying stain; taint or blemish someone's reputation

See more at Wikipedia.org...

---

Noun
1. (histology) the use of a dye to color specimens for microscopic study
(hypernym) dyeing
(hyponym) Gram's method, Gram method, Gram's procedure, Gram's stain, Gram stain
(derivation) stain
(classification) histology
2. the act of spotting or staining something
(synonym) spotting, maculation
(hypernym) soiling, soilure, dirtying

---

Noun
1. a soiled or discolored appearance; "the wine left a dark stain"
(synonym) discoloration, discolouration
(hypernym) appearance, visual aspect
(hyponym) scorch
2. (microscopy) a dye or other coloring material that is used in microscopy to make structures visible
(hypernym) coloring material, colouring material, color, colour
(hyponym) gentian violet, crystal violet
(classification) microscopy
3. the state of being covered with unclean things
(synonym) dirt, filth, grime, soil, grease, grunge
(hypernym) dirtiness, uncleanness
4. a symbol of disgrace or infamy; "And the Lord set a mark upon Cain"--Genesis
(synonym) mark, stigma, brand
(hypernym) symbol
(hyponym) demerit
(derivation) tarnish, maculate, sully, defile
5. an act that brings discredit to the person who does it; "he made a huge blot on his copybook"
(synonym) blot, smear, smirch, spot
(hypernym) mistake, error, fault
(derivation) tarnish, maculate, sully, defile

---

Verb
1. color with a liquid dye or tint; "Stain this table a beautiful walnut color"; "people knew how to stain glass a beautiful blue in the middle ages"
(hypernym) dye
(hyponym) ebonize, ebonise
(derivation) stainer
2. produce or leave stains; "Red wine stains the table cloth"
(hypernym) change, alter, modify
(hyponym) smut
(verb-group) spot, fleck, blob, blot
(derivation) dirt, filth, grime, soil, grease, grunge
3. make dirty or spotty, as by exposure to air; also used metaphorically; "The silver was tarnished by the long exposure to the air"; "Her reputation was sullied after the affair with a married man"
(synonym) tarnish, maculate, sully, defile
(hypernym) spot, fleck, blob, blot
(hyponym) darken
(derivation) mark, stigma, brand
4. color for microscopic study; "The laboratory worker dyed the specimen"
(hypernym) dye

v. udělat skvrnu; zašpinit

Czas. plamić (się)