Acanthosis nigricans is a brown to black, poorly defined, velvety hyperpigmentation of the skin. It is usually found in body folds, such as the posterior and lateral folds of the neck, the armpits, groin, navel, forehead, and other areas.
Unlawful Order Law and Legal Definition. Unlawful order is an order rendered without jurisdiction. Every erroneous order or judgment of a Court is unlawful and for that reason may be reversed on appeal. [In re Cohen, 5 Cal. 494, 495 (Cal.
Definition of order for Students. 1  1 : a certain rule or regulation : command â¦ when he gave orders â¦ everyone knew â¦ that he expected to be obeyed. 2  2 : the arrangement of objects or events in space or time List the names in alphabetical order. 3  3 : the way something should be He kept the room in order.