FLUORESCEIN Synonyms

• a number or ratio (a value on a scale of measurement) derived from a series of observed facts; can reveal relative changes as a function of time

• a signal for attracting attention

• a device for showing the operating condition of some system

• (chemistry) a substance that changes color to indicate the presence of some ion or substance; can be used to indicate the completion of a chemical reaction or (in medicine) to test for a particular reaction

• some conspicuous object used to distinguish or mark something

• a distinguishing symbol

• a writing implement for making a mark

• a soiled or discolored appearance

• (microscopy) a dye or other coloring material that is used in microscopy to make structures visible

• anything regarded as making something unclean

• a symbol of disgrace or infamy

• an act that brings discredit to the person who does it

• color with a liquid dye or tint

• produce or leave stains

• make dirty or spotty, as by exposure to air; also used metaphorically

• color for microscopic study

• an investigator who is employed to find missing persons or missing goods

• an instrument used to make tracings

• (radiology) any radioactive isotope introduced into the body to study metabolism or other biological processes

• ammunition whose flight can be observed by a trail of smoke

• a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)

• a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)

• a yellow dye that is visible even when highly diluted; used as an absorption indicator when silver nitrate solution is added to sodium chloride in order to precipitate silver chloride (turns pink when no chloride ions are left in solution and negative fluorescein ions are then absorbed)