Ionic

Ionic or Ionian may refer to:

In ancient Greece:

  • Ionians, a people, one of the three great divisions of the ancient Greek people
  • Ionia, an ancient region in western Anatolia, in which the Ionian settlers established some colonies.
  • Ionian Revolt, a revolt by Greek Ionians against the Persian Empire
  • Ionic Greek, any of several related dialects in the ancient Greek language
  • Ionic meter, typically based on the metrical unit ˘˘¯¯
  • Ionic order, one of the orders of classical architecture
  • Ionic numeral system, a certain numeral system with Greek numerals
  • Ionian School (philosophy) in ancient Greek philosophy
  • Ionic alphabet

In geography and geology:

  • Ionian Islands, seven Greek islands which lie on the eastern coast of the Ionian Sea
  • Ionian Sea, an arm of the Mediterranean Sea between Greece and Southern Italy
  • Ionian Stage, a proposed stage of the Pleistocene epoch, named after the Ionian Sea

In chemistry:

  • Ion, in physics and chemistry, an atom or group of atoms with a net electric charge
    • Ionic bond, a type of chemical bond involving ions
    • Ionic compound, a chemical compound in which ions are held together in a lattice structure by ionic bonds
    • Ionic crystal, a crystal consisting of ions bound together by their electrostatic attraction
    • Ionic equation, a chemical equation in which electrolytes are written as dissociated ions
    • Ionic liquid, a liquid that essentially contains only ions
    • Ionic polarization, polarization caused by relative displacements between ions in ionic crystals
    • Ionic potential, the ratio of electric charge to the radius of an ion
    • Ionic radius, a measure of the size of an ion in a crystal lattice
    • Ionic solid, a solid held together by ionic bonds
    • Ionic strength, a function of the concentration of all ions present in a solution
    • Ionic transfer, the transfer of ions from one liquid phase to another

In astronomy:

  • Ionian - of or relating to Io, a moon of the planet Jupiter

In arts:

  • Ionian mode, one of the modes in modal music
  • The Ionian Mission, a 1981 historical novel by Patrick O'Brian

In typography:

  • Ionic No. 5, a typeface

In business:

  • Ionian Technologies, a biotechnology company

In shipping history

  • RMS Ionic, a steamship ocean liner built for the White Star Line (1883)
  • SS Ionic, a steamship ocean liner built for the White Star Line (1902)
  • SS Ionic Star, a steamship trading vessel built for the Blue Star Line (1917)