- an electrically charged atom or group of atoms formed by the loss or gain of one or more electrons, as a cation (positive ion), which is created by electron loss and is attracted to the cathode in electrolysis, or as an anion (negative ion), which is created by an electron gain and is attracted to the anode. The valence of an ion is equal to the number of electrons lost or gained and is indicated by a plus sign for cations and a minus sign for anions, thus: Na+, Cl−, Ca++, S=.
- one of the electrically charged particles formed in a gas by electric discharge or the like.
Origin of ion
- Classical Mythology. the eponymous ancestor of the Ionians: a son of Apollo and Creusa who is abandoned by his mother but returns to become an attendant in Apollo's temple at Delphi.
- (italics) a drama on this subject (415? b.c.) by Euripides.
- a suffix, appearing in words of Latin origin, denoting action or condition, used in Latin and in English to form nouns from stems of Latin adjectives (communion; union), verbs (legion; opinion), and especially past participles (allusion; creation; fusion; notion; torsion).
Origin of -ion
Examples from the Web for ion
After graduating in 1973 from the Ion Mincu Institute of Architecture in Bucharest, she joined the state design institute.The Week in Death: The Dictator’s Architect
November 3, 2013
A cadre of regime apparatchiks soon seized power, eventually leading to the landslide election of their leader, Ion Iliescu.Egypt’s Tahrir Activists Weigh Abandoning Street Protests For Runoff Vote
June 1, 2012
The ion differs from the molecule, the corpuscle and the atom in that it is an ion.The Devil's Dictionary
Ion replies that he is a foreigner, and the Athenians and Spartans will not appoint a foreigner to be their general.
Now, Ion, will the charioteer or the physician be the better judge of the propriety of these lines?
And you, Ion, when the name of Homer is mentioned have plenty to say, and have nothing to say of others.
ION: Yes, that is the sort of thing which the rhapsode will be sure to know.
Word Origin and History for ion
1834, introduced by English physicist and chemist Michael Faraday (suggested by the Rev. William Whewell, English polymath), coined from Greek ion, neuter present participle of ienai "go," from PIE root *ei- "to go, to walk" (cf. Greek eimi "I go;" Latin ire "to go," iter "a way;" Old Irish ethaim "I go;" Irish bothar "a road" (from *bou-itro- "cows' way"), Gaulish eimu "we go," Gothic iddja "went," Sanskrit e'ti "goes," imas "we go," ayanam "a going, way;" Avestan ae'iti "goes;" Old Persian aitiy "goes;" Lithuanian eiti "to go;" Old Church Slavonic iti "go;" Bulgarian ida "I go;" Russian idti "to go"). So called because ions move toward the electrode of opposite charge.
suffix forming nouns of state, condition, or action from verbs, from Latin -ionem (nominative -io), sometimes via French -ion.
- An atom or a group of atoms that has acquired a net electric charge by gaining or losing one or more electrons.
- An atom or a group of atoms that has an electric charge. Positive ions, or cations, are formed by the loss of electrons; negative ions, or anions, are formed by the gain of electrons.