Use Retin-A exactly as your doctor has prescribed it for you. Follow all directions on your prescription label. Do not use this medicine in larger or smaller amounts or for longer than recommended. Do not take by mouth. Retin-A is for use only on the skin.
Definition of wall for English Language Learners : a structure of brick, stone, etc., that surrounds an area or separates one area from another : the structure that forms the side of a room or building
2. dyke-a barrier constructed to contain the flow of water or to keep out the sea. dam, dike. barrier-a structure or object that impedes free movement. milldam-dam to make a millpond to provide power for a water mill.owever, it has been increasingly adopted as a preferred term by young or radical homosexuals and in the academic community. In the mainstream homosexual community, gay and lesbian remain the terms of choice. (a term used to refer to a female homosexual or lesbian.). [1930â35; of uncertain origin]. dykeâ²y, adj.