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• n  (histology) the use of a dye to color specimens for microscopic study
• n  the act of spotting or staining something
• v  color with a liquid dye or tint
• v  produce or leave stains
• v  make dirty or spotty, as by exposure to air; also used metaphorically
• v  color for microscopic study

• The diminutive mobster lay dead with his head on her lap, one chubby hand still clutching the wheel and the blood from three head wounds slowly staining his natty blue silk suit.
• Problem is, she's pretty much passed out, her puke staining the pillow, as Ronnie happily, obliviously churns away.
• So by staining the sperm's DNA with a nontoxic light-sensitive dye, the Virginia scientists were able to sort sperm by gender--with a high rate of success--before using them in .

• spotting
• maculation
• stain
• tarnish
• maculate
• sully
• defile

News & Articles

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• Former undercover officer discusses alleged 'betrayal' by Arlington officer
  ARLINGTON -- A major investigation that's led to the arrest of one Arlington officer, and perhaps the suicide of another, has also left many more feeling betrayed for staining the department's reputation. One officer is accused of identifying a narcotics cop to a drug suspect. That's a potentially-deadly betrayal, says a former long-time under cover officer. "In my career I've made a lot of ...
  June 15, 2013 - WFAA Dallas-Fort Worth
• Recycled Art Project: 1 person's trash, another's craft supplies at Willoughby Hills Library
  Sanding and staining quickly turned to stars and stripes last night at the free Recycled Art Project event at Willoughby Hills Public Library.
  June 13, 2013 - The News-Herald
• Messing with the Blood-Brain Barrier May Be Key to Treating a Host of Diseases (preview)
  During one of his famous staining experiments of the late 1800s--the kind that would eventually lead to a cure for syphilis and a Nobel Prize for Medicine--Paul Ehrlich stumbled on a conundrum that would haunt medicine down to the present day. When he injected dye into the bloodstream of mice, it penetrated every organ except the brain. Kidneys, livers and hearts turned a dark purplish-blue ...
  June 12, 2013 - Scientific American