a water-soluble powder, C 32 H 22 O 6 N 6 S 2 Na 2 , one of the Congo colors that is not acid-fast or lightfast: used chiefly as a dye, biological stain, and chemical indicator.
a brownish-red soluble powder, used as a dye, a diagnostic indicator, a biological stain, and a chemical indicator. Formula: C32H22N6O6S2Na2
Congo red Con·go red (kŏng’gō)
An acid dye used as an indicator in testing for free hydrochloric acid in gastric contents, as a laboratory aid in the diagnosis of amyloidosis, and as a histologic stain for amyloid.
noun 1. any of several eel-shaped salamanders, as the amphiuma or siren.
[kong-goo] /ˈkɒŋ gu/ noun 1. a black tea from China. /ˈkɒŋɡuː/ noun 1. a kind of black tea from China
[kuh n-grats, kuh ng-] /kənˈgræts, kəŋ-/ noun, interjection, Informal. 1. . /kənˈɡræts/ plural noun, sentence substitute 1. informal shortened forms of congratulations n. 1884, colloquial shortening of congratulations. Further colloquialized in British English to congratters (1906) and among online gamers to grats (by 2000). interjection Congratulations: You’re in? Congrats (1884+)
[kuh n-grach-uh-luh nt or, often, -graj-, kuh ng-] /kənˈgrætʃ ə lənt or, often, -ˈgrædʒ-, kəŋ-/ adjective 1. expressing or conveying congratulation. noun 2. a person who congratulates.