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.
More generally we define 'Life Sciences' as all sciences that have to do with 'organisms', like plants, animals and human beings. More specifically the following fields of science are included. For specification see 'Interesting links'. Agrotechnology.