ninhydrin reaction n.
A test for proteins, peptones, peptides, and amino acids possessing free carboxyl and alpha-amino groups in which ninhydrin reacts with such compounds to produce a blue color.
/ˈnɪnjən/ noun 1. Saint. ?360–?432 ad, the first known apostle of Scotland; built a stone church (candida casa) at Whithorn on his native Solway; preached to the Picts. Feast day: Sept 16
[nee-nib] /ˈni nɪb/ noun, Obsolete. 1. .
[nee-nee-gee] /niˈni gi/ noun, Japanese Legend. 1. the grandson of Amaterasu and first ruler of Japan.
[nin-juh] /ˈnɪn dʒə/ noun, plural ninja, ninjas. (often initial capital letter) 1. a member of a feudal Japanese society of mercenary agents, highly trained in martial arts and stealth (ninjutsu) who were hired for covert purposes ranging from espionage to sabotage and assassination. /ˈnɪndʒə/ noun (pl) -ja, -jas 1. (sometimes capital) a person skilled in […]