Science, Tech, Math › Science Chemistry Definition of Ionic Share Flipboard Email Print benjaminec / Getty Images Science Chemistry Chemical Laws Basics Molecules Periodic Table Projects & Experiments Scientific Method Biochemistry Physical Chemistry Medical Chemistry Chemistry In Everyday Life Famous Chemists Activities for Kids Abbreviations & Acronyms Biology Physics Geology Astronomy Weather & Climate By Anne Marie Helmenstine, Ph.D. Chemistry Expert Ph.D., Biomedical Sciences, University of Tennessee at Knoxville B.A., Physics and Mathematics, Hastings College Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels. our editorial process Facebook Facebook Twitter Twitter Anne Marie Helmenstine, Ph.D. Updated August 11, 2018 You may come across the term "ionic" in your studies of chemistry. This term is an important term to know as it relates to multiple types of chemical and physical concepts. Definition of Ionic In chemistry, the term ionic means pertaining to something carrying a net electrical charge, as an ionic bond or ionic compound.