Philadelphia airports. Most flights to Philadelphia land at Philadelphia Intl. Airport (PHL), which is located in southern Philadelphia. PHL is the 12th largest airport in the world when ranked by traffic movements. It is also the largest airport in Philadelphia and the primary international hub of US Airways.
Ionic Definition: pertaining to something carrying a net electrical charge, as an ionic bond or ionic compound.
1. ionic bond-a chemical bond in which one atom loses an electron to form a positive ion and the other atom gains an electron to form a negative ion. electrostatic bond, electrovalent bond. bond, chemical bond-an electrical force linking atoms.