Main definitions of ionic in English

: ionic1Ionic2

ionic1

adjective

  • 1Relating to, composed of, or using ions.

    • ‘He remembered from his schooling on Denivan that that was the designation given to a region of ionic flux between the Denivan system and the Sigma Onias system.’
    • ‘The second stress is ionic in nature and a consequence of dissolved ions that enter the tissues of the root and, ultimately, the shoot system of the plant, and exert toxic effects.’
    • ‘The venture arose from research by the two men into novel ionic liquids - salts that are molten at room temperature - which can be specifically tailored for biochemical systems.’
    • ‘We note that the involved structural gating apparently does not very much affect the ionic channel current conductance.’
    • ‘We are now in the process of studying the effect of this ionic interaction, both experimentally and computationally.’
    • ‘However, it may nevertheless still have an ionic conductance that is by a factor [gamma] different from the basic state.’
    • ‘Resistance is due to electrons in a conductor colliding with the ionic lattice of the conductor meaning that electrical energy is converted into heat.’
    • ‘The absence of such a homogenous dielectric can also lead to ionic distributions whose behavior deviates from that predicted by GC theory.’
    • ‘Cs + behaves primarily as a blocker, having an ionic conductance two orders-of-magnitude lower than that of K +.’
    • ‘Because of the nonuniform membrane polarization, ionic currents during field stimulation also have a spatially nonuniform profile.’
    • ‘It is obvious that serotonin targets multiple ionic conductances to trigger an increase in firing frequency in these cells.’
    • ‘In the non-canonical interface, it is seen that there are quite a number of ionic interactions.’
    • ‘These degenerin genes encode ion channels, and mutations in these genes appear to perturb the ionic balance in cells, resulting in their death.’
    • ‘In addition to transporting 5HT, SERT conducts several different ionic currents, both steady state and transient.’
    • ‘So the deflection leads to a change in the ionic current that, in turn, alters the cell potential.’
    • ‘As a result of their ionizability the following ionic equilibrium reactions may be written.’
    • ‘The results above strongly suggest that the structure of the pore region represents a state with extremely low ionic conductance.’
    • ‘These alterations may occur heterogeneously along the neuron where a diversity of ionic conductance is observed.’
    • ‘They failed to find one, and conclude that changes in the ionic composition of the atmosphere characteristic of föhn winds are unlikely to contribute to sudden infant deaths.’
    • ‘This aspect of the model permits quite rigorous treatment of two crucial features: ionic repulsion and dielectric variability.’
    1. 1.1 (of a chemical bond) formed by the electrostatic attraction of oppositely charged ions.
      Often contrasted with covalent
      • ‘Here, the particles are held together by ionic bonds, each ion being surrounded by several oppositely charged ions within the inner structure of the solid.’
      • ‘This ready access coupled with the ability of the anion to interact effectively at any site on the cation makes ionic reactions very fast.’
      • ‘In sodium chloride, a typical ionic compound, there is an equal number of sodium ions and chlorine ions.’
      • ‘The bond that formed is called an ionic bond and sodium chloride is called an ionic compound.’
      • ‘Polyatomic ions can combine with oppositely charged ions, through ionic bonding.’
      • ‘This difference is expressed in the notation of oxidation state versus ionic charge.’
      • ‘The hydrocarbon end attaches to an oil molecule and the electrically charged ionic end attracts a water molecule.’
      • ‘Remember that ionic bonds are normally strong but very weak in water.’
      • ‘Dyson and Welton used water and ionic liquid soluble organometallic clusters and complexes to catalyse hydrogenation of the aromatics.’
      • ‘Furthermore, the degree to which ions affected membrane properties correlated with the ionic radius and electronegativity of the ions.’
      • ‘When one atom transfers electrons to another, it is called ionic bonding.’
      • ‘The two extremes of molecular bonding are ionic bonds and covalent bonds.’
      • ‘In the case of the ionic compound magnesium chloride, the magnesium atom has two electrons more than a full shell.’
      • ‘When the chemical formula of an ionic compound is written down, it is the empirical formula that is used.’
      • ‘It can only react very slowly with materials other than those containing ionic bonds.’
      • ‘It is believed that ionic, hydrophobic, charge-transfer, van der Waals interactions as well as steric effects can all play a role in the binding.’
      • ‘The oppositely charged ions Na + and Cl - attract to form an ionic bond.’
      • ‘Ionicity is a measure of the degree of sharing: covalent bonds have the lowest ionicity, and ionic bonds have the highest.’
      • ‘In the present analysis, we seek to develop a method suitable for a broader range of chemical environments ranging from ionic to covalent.’
      • ‘The polymer moieties have a valence orbital bond to the carbonaceous particulate, such as an ionic or covalent bond.’

Pronunciation

ionic

/ʌɪˈɒnɪk/

Main definitions of ionic in English

: ionic1Ionic2

Ionic2

adjective

  • 1Relating to or denoting a classical order of architecture characterized by a column with scroll shapes (volutes) on either side of the capital.

    • ‘A colonnade, on the north, is formed of six Ionic columns, and on the east is an entrance through an orangery.’
    • ‘Most notable is a one-story porch that extends the length of the central block, its roof supported by five slender columns with Ionic capitals.’
    • ‘The corners of the facades of both the main block and the pavilion are adorned with monumental paired pilasters with Ionic capitals.’
    • ‘On the south side, a first floor loggia with Ionic columns overlooked the garden; on the north, a horseshoe staircase leads in Palladian manner to a terrace and a two-storey cubic hall.’
    • ‘In 356BC the Greeks built the Artemesium (a colossal Ionic temple dedicated to Artemis the fertility goddess) which was one of the Seven Wonders of the ancient world.’
    • ‘The left-hand wing houses an oval entrance porch that leads to a fine reception hall decorated in pink with Ionic columns, a marble fireplace and a lantern-style window high in the central apex of the ceiling.’
    • ‘‘Owning a place like this is a serious responsibility,’ he says, now trotting down an epic stairway, past Ionic columns and into the kitchen, in search of corkscrew, a bottle of superior wine and glasses.’
    • ‘The artistic use of spiral horns is found throughout the world and shows itself in sculpture, textiles, jewelry and architecture (for example, in Greek Ionic capitals on the tops of column).’
    • ‘The central four bays are separated by Ionic pilasters and decorated with three sculptural roundels.’
    • ‘The building was concrete gray, provided with an entrance of four Ionic columns and a short set of steps leading up to it.’
    • ‘The entablature and pediment of the portico are supported by two pairs of massive Ionic columns.’
    • ‘The handsome nee-classical building with its Ionic portico in Mosley Street originally opened in 1835 as the Royal Manchester Institution and did not become the City Art Gallery until 1882.’
    • ‘A recent $80-million renovation restored the original pale marble floors and gold-leaf Ionic columns of the lobby, decked out this month with a large gingerbread house and Christmas tree.’
    • ‘Despite their creativity - whether in modifying Egyptian and Near Eastern forms, or inventing the Doric and Ionic orders of architecture - Greek artists worked in established genres.’
    • ‘In 1818, Schinkel erected the State Theatre that, apart from the Greek Ionic portico, displayed the most memorable feature of the frequent use of the functionalist pilaster stripe.’
    • ‘The commissioners kept tight control, providing the plan and elevation of the houses, which were to be terraced, three-storeyed and three-bayed, with Ionic columns flanking substantial doorways.’
    • ‘The pavilion, designed by the municipal engineer in collaboration with Marius de Maria, who was responsible for its curious Ionic facade, consisted of nine rooms ranged around a central hall…’
    • ‘It was housed in a Carnegie Library, which made you feel good; there's something about drinking within sight of Ionic columns that ennobles the effort.’
    • ‘The neo-classical house features a main doorway framed with Ionic pillars and topped by a balustraded balcony complete with carved stone coat of arms.’
    • ‘Like that structure, it was cruciform in plan, but only its main eastern façade contained a gabled pseudo-portico featuring Ionic columns.’
  • 2

    another term for Ionian
    • ‘The first seven books are devoted to the Ionic philosophers; the last three treat of the Italic school.’
    • ‘The Ionic temple was dedicated to the goddess Artemis Agrotera (the huntress).’
    • ‘She tripped over a marble fragment and hit another in the Agora of Ephesus, the proverbially wealthy Ionic city on the Cayster River in Western Turkey.’

noun

mass noun
  • 1The Ionic order of architecture.

    • ‘These columns are of different orders on each storey (Tuscan at the bottom, then Ionic, with Corinthian columns in the third storey).’
    • ‘Alberti was particularly interested in Vitruvius' use of columns (Doric, Ionic, and Corinthian) and arches to express social status and power.’
    • ‘This famous building, originally painted in gold, red and blue, achieves the classical Greek sense of harmony and illustrates the three orders of Greek columns: Doric, Ionic and Corinthian.’
    • ‘Magnificent Greek Doric temples abounded in the latter and a full spectrum of Doric, Ionic, and Corinthian style was allowed to flourish on the Aegian coast.’
    • ‘There were three types of columns, which were Doric, Ionic, and Corinthian.’
  • 2The ancient Greek dialect used in Ionia.

    • ‘The overall flavour is Ionic, the dialect spoken on Euboea, other islands of the eastern Aegean such as Chios, and on the mainland of Asia Minor opposite them.’
    • ‘He composed in a variety of rhythms; the dialect is Ionic vernacular with some epic features.’
    • ‘It is unclear whether Alcmaeon wrote in the Doric dialect of Croton or in the Ionic Greek of the first Presocratics.’

Origin

Late 16th century: via Latin from Greek Iōnikos, from Iōnia (see Ionia).

Pronunciation

Ionic

/ʌɪˈɒnɪk/