- The definition of a stain is a spot, a moral wrongdoing, or something used to add color.
- An example of a stain is grease on a shirt.
- An example of a stain on a politician's record is when he is caught stealing from the city budget.
- An example of a stain is a box of fabric dye which can be used to turn a white shirt into a blue shirt.
- Stain is defined as to dirty, dishonor or to apply some sort of coloring.
- An example of stain is to spill sauce on your shirt.
- An example of stain is to bring shame upon a family by doing something illegal.
- An example of stain is to add a paint to a redwood fence to protect it from the weather.
- to spoil the appearance of by patches or streaks of color or dirt; discolor; spot
- to bring shame upon (someone's character, reputation, etc.); taint; disgrace; dishonor
- to change the appearance of (wood, glass, etc.) by applying a dye, pigment, etc.
- to treat (material for microscopic study) with a coloring matter that facilitates study, as by making transparent parts visible or by producing a different effect upon different structures or tissues
Origin: Middle English stainen, aphetic from disteinen, distain: sense and form influenced, influence by Old Norse steinn, color, literally , stone (hence, mineral pigment)
- a discoloration, streak, or spot resulting from staining
- a moral blemish; dishonor; guilt; taint: a stain on one's reputation
- a substance used to impart color in staining; specif.,
- a dye or pigment in solution, esp. one that penetrates a wood surface
- a dye used to stain material for microscopic study
Used by arrangement with John Wiley & Sons, Inc.
verb stained, stain·ing, stains verb, transitive
- To discolor, soil, or spot.
- To bring into disrepute; taint or tarnish.
- To color (glass, for example) with a coat of penetrating liquid dye or tint.
- To treat (specimens for the microscope) with a reagent or dye that makes visible certain structures without affecting others.
- A discolored or soiled spot or smudge.
- A blemish on one's moral character or reputation.
- A liquid substance applied especially to wood that penetrates the surface and imparts a rich color.
- A reagent or dye used for staining microscopic specimens.
Origin: 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.
- stainˈa·ble adjective
- stainˈer noun
stain - Medical Definition
- A reagent or dye that is used for staining microscopic specimens.
- A procedure in which a dye or a combination of dyes and reagents is used to color the constituents of cells and tissues.