Back to Top Exams and Tests. Your health care provider can usually diagnose acanthosis nigricans by looking at your skin. A skin biopsy may be needed in unusual cases. If there is no clear cause of acanthosis nigricans, your doctor may order tests. This may include: 1  Blood tests to check blood sugar level.
The definition of unlike is a person or thing that is different from another. An example of unlike is a woman with short hair in a group of women with long hair. The definition of unlike is to withdraw your previously-posted expression of liking someone or something on a social media website. An example of unlike is to remove the like which you previously selected under a post from one of your friends on FaceBook. An example of unlike is to remove a television show which you previously had noted as one of your likes on FaceBook.
adverb. The definition of awful is someone or something that is very displeasing or unpleasant to you. If during a trip you suffered through sunburn, poison ivy, and the car broke down, that would be an example of an awful trip. Awful is defined as very much so or extremely.