a colorless, crystalline solid, C 13 H 9 N, usually obtained from the anthracine fraction of coal tar: used chiefly in the synthesis of dyes and drugs. noun a colourless crystalline solid used in the manufacture of dyes. Formula: C13H9N acridine ac·ri·dine (āk’rĭ-dēn’) n. A coal tar derivative that has an irritating odor and is […]
- Acridine orange
acridine orange acridine orange n. A basic fluorescent dye used as a metachromatic stain for nucleic acids and in screening cervical smears for abnormal cells.
- Acridine yellow
acridine yellow acridine yellow n. A faintly yellow solution with strong bluish-violet fluorescence used as a topical antiseptic and as a fluorescent stain in histology.
sharp or biting to the taste or smell; bitterly pungent; irritating to the eyes, nose, etc.: acrid smoke from burning rubber. extremely or sharply stinging or bitter; exceedingly caustic: acrid remarks. Historical Examples Notwithstanding its acridity, a wholesome starch is prepared from the stem. Catalogue of Economic Plants in the Collection of the U. S. […]