This dictionary provides scientists, science writers, and all who work in scientific publishing with a clear and concise style guide for the presentation of scientific information. Reflecting widely accepted usage and following the recommendations of such international scientific bodies as IUPAC and IUPAP, the dictionary offers guidance on spelling (UK and US), punctuation, abbreviations, prefixes and suffixes, units and quantities, and symbols. It covers a wide range of scientific subjects, including physics, chemistry, botany, zoology, genetics, biochemistry, immunology, microbiology, astronomy, mathematics, and computer science, and should become the essential reference for all those involved in producing scientific material.