Collins Dictionary of Science

“From ‘aberration’ to zygote’, a comprehensive guide to the terminology of science. Includes entries explaining terms and concepts from chemistry, physics, biology, the earth sciences, the environmental sciences, astronomy, computing and mathematics. [Has] extended features on key scientific topics such as DNA, energy and relativity ; appendices on SI units, physical constants, useful equations and the chemical elements ; up-to-date internet links help you explore the subject further.” — back cover.