(n.) (1) A person with advanced knowledge of one or more sciences. A scientist is a person with some kind of knowledge or expertise in any of the sciences, like biology or chemistry. The word science comes from the Latin, scientia, which means "knowledge". The sciences are branches of knowledge about the world that derive from repeated experiments. A scientist is any person with an interest in the sciences, from amateurs to professionals or even curious students. Types, See: Bibliotist; Biologist, Life Scientist; Chemist; Cognitive Scientist; Computer Scientist; Geologist; Linguist, Linguistic Scientist; Mathematician; Medical Scientist; Microscopist; Mineralogist; Oceanographer; Fossilist, Palaeontologist, Paleontologist; Physicist; PI, Principal Investigator; Psychologist; Radiologic Technologist; Investigator, Research Worker, Researcher; Social Scientist; Behaviorist, Behaviourist; Experimenter; Acoustician; Algebraist; Anthropologist; Arithmetician; Astronomer, Stargazer, Uranologist; Bacteriologist; Biophysicist; Boffin; Botanist, Phytologist, Plant Scientist; Cognitive Neuroscientist; Computational Linguist; Cytologist; Ecologist; Economic Expert, Economist; Epidemiologist; Fieldworker; Geometer, Geometrician; Geophysicist; Grammarian, Syntactician; Hebraist; Hydrologist Hypnotiser, Hypnotist, Hypnotizer, Mesmerist, Mesmerizer; Immunologist; Lexicographer, Lexicologist; Microbiologist; Molecular Biologist; Natural Scientist, Naturalist; Neurobiologist; Neurolinguist; Nuclear Chemist, Radiochemist; Nuclear Physicist; Number Theorist; Parapsychologist; Penologist; Phonetician; Phonologist; Physiologist; Phytochemist; Political Scientist; Post Doc, Postdoc; Probability Theorist; Psycholinguist; Psychophysicist; Radiobiologist; Semanticist, Semiotician; Serologist; Sociobiologist; Sociolinguist; Sociologist; Mathematical Statistician, Statistician; Systematist, Taxonomer, Taxonomist; Toxicologist; Trigonometrician; Vivisectionist; Animal Scientist, Zoologist; Charles Hard Townes, Charles Townes, Townes; Cosmographer, Cosmographist. Type of: Individual, Mortal, Person, Somebody, Someone, Soul: A human being