The first commercial deodorant, Mum, was introduced and patented in the late nineteenth century by an inventor in Philadelphia, Pennsylvania, Edna Murphey. The product was briefly withdrawn from the market in the U.S., but is currently available at U.S. retailers under the brand Ban.
Not to be confused with Behavioralism. Behaviorism (or behaviourism) is an approach to psychology that focuses on an individual's behavior. It combines elements of philosophy, methodology, and psychological theory.
Learner's definition of PERSPECTIVE. 1. : a way of thinking about and understanding something (such as a particular issue or life in general) [count] He helped us see the problem from a new perspective. [=angle, point of view] The story is told from the perspective of a teenage boy in the 1940s. marriage as seen from a male/female perspective. From an economic perspective, the policy has some merit.