Any semi-automatic weapon; semi-shots, smg's, etc. (pronounced seh-MEE) 2 -(n.) An 18-wheeler truck (pronounced seh-MI) 1 - Semi's are only half as fun as automatics. 2 - Aparrently a semi loaded with cocaine and doritos rolled over on the freeway yesterday. #truck #18 wheeler #gat #gun #strap #automatic
The biological fields of botany, zoology, and medicine date back to early periods of civilization, while microbiology was introduced in the 17th century with the invention of the microscope. However, it was not until the 19th century that biology became a unified science.
The life sciences comprise the branches of science that involve the scientific study of organisms â such as microorganisms, plants, and animals including human beings â as well as related considerations like bioethics. While biology remains the centerpiece of the life sciences, technological advances in molecular biology and biotechnology have led to a burgeoning of specializations and interdisciplinary fields. Some life sciences focus on a specific type of life. For example, zoology is ...