acridine orange(redirected from tetramethyl acridine)
Also found in: Medical.
acridine orange[′ak·rə‚dēn ′är·inj]
A dye with an affinity for nucleic acids; the complexes of nucleic acid and dye fluoresce orange with RNA and green with DNA when observed in the fluorescence microscope.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.