One of the Native Americans formerly occupying the region now included in the state of Iowa.

(chemistry) A type of chemical bond where two atoms or molecules are connected to each other by electrostatic attraction.

(inorganic chemistry) a colourless gas with molecular formula HI, having a suffocating smell; it forms hydriodic acid when dissolved in water

(chemistry) any salt that has a relatively low melting point; they are used as solvents where water or traditional organic solvents cannot be used.

(chemistry) of, relating to, or containing ions

(non-productive) An action or process, or the result of an action or process. / (non-productive) A state or condition.

of or relating to Ionia or the Ionians / (architecture) of an order of classical Greek architecture whose distinguishing feature is a capital with spiral volutes.

A sub-dialect of the Attic-Ionic dialectal group of Ancient Greek consisting of Old Ionic and New Ionic.

(poetry) A four-syllable metrical unit of light-light-heavy-heavy (‿ ‿ — —) that occurs in Ancient Greek and Latin poetry.

(Greek mythology) Son of Creusa and Xuthus, and the ancestor of Ionian people. / (philosophy) Ion of Chios, a Greek writer, dramatist, lyric poet and philosopher of the Pythagorean school