Stumble. Post. Share. Ionic Bond Definition: An ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound. Examples: There is an ionic bond between the sodium and chloride ions in table salt, NaCl.Return to the Chemistry Glossary Index.tumble. Post. Share. Ionic Bond Definition: An ionic bond is a chemical link between two atoms caused by the electrostatic force between oppositely-charged ions in an ionic compound. Examples: There is an ionic bond between the sodium and chloride ions in table salt, NaCl.