2. something that holds up progress, esp of a manufacturing process. 3. (Pop Music) music. a. the broken-off neck of a bottle placed over a finger and used to produce a buzzing effect in a style of guitar-playing originally part of the American blues tradition. b. the style of guitar playing using a bottleneck.
How long does it take to become a marine biologist? Marine biologists must complete at least a bachelorâs degree, which takes about four years. Marine biologists who pursue masterâs degrees may take an additional two to three years to complete their education, and earning a PhD will take up to six years more.
Definition: Marine biology is the scientific study of organisms that live in salt water. So, a marine biologist is a person that studies, or works with a salt water organism (or organisms).That is a fairly brief definition for a very general term, as marine biology encompasses many things.arine biologists usually need many years of education-at least a bachelor's degree, but sometimes a Ph.D. or post-doctorate degree. Since jobs in marine biology are competitive, outside experience with volunteer positions, internships and outside study are helpful.