noun[mass noun] Biology
- 1The property of certain biological materials of staining a different colour from that of the stain used.More example sentences
- In these cases, metachromasy is an indication of dimerization and polymerization of the adsorbed dyes.
- The metachromasy was found to be independent of phase transition temperature of vesicles.
- The change in color of a dye which results from metachromasy is not due to a change in pH of an aqueous solution containing it.
- 1.1The property of certain stains of changing colour in the presence of certain biological materials.More example sentences
- Under these conditions PBs appeared light blue, while metachromasia was observed for globoid inclusions that stained purple-blue.
- More example sentences
- Fragments of metachromatic chondromyxoid extracellular material contained cells that were reminiscent of chondrocytes.
- These include the metachromatic stains or enzymatic stains.
- The classic leukodystrophies include adrenoleukodystrophy, Krabbe's globoid cell, and metachromatic leukodystrophy, and a few other less well known entities.
early 20th century: modern Latin, from meta- (expressing change) + Greek khrōma 'colour'.
More definitions of metachromasiaDefinition of metachromasia in:
- The US English dictionary