acne: A skin condition that results in red, inflamed skin, commonly called pimples or zits. antibacterial: Having properties that tend to destroy or limit the growth or reproduction of bacteria. application: A particular use or function of something. bioengineer: Someone who applies engineering to solve problems in biology or in systems that will use living organisms. biologist: A scientist involved in the study of living things. cell: (in biology) The smallest structural and functional unit of an organism. Typically too small to see with the unaided eye, it consists of a watery fluid surrounded by a membrane or wall. Depending on their size, animals are made of anywhere from thousands to trillions of cells. chemical: A substance formed from two or more atoms that unite (bond) in a fixed proportion and structure. For example, water is a chemical made when two hydrogen atoms bond to one oxygen atom. clinical: (in medicine) A term that refers to diagnoses, treatments or experiments involving people. clinical trial: A research trial that involves people. consumer: (n.) Term for someone …