释义 |
WordReference Random House Unabridged Dictionary of American English © 2024i•on•ic (ī on′ik),USA pronunciation adj. - Physicsof or pertaining to ions.
- Physicspertaining to or occurring in the form of ions.
I•on•ic (ī on′ik),USA pronunciation adj. - Architecturenoting or pertaining to one of the five classical orders that in ancient Greece consisted of a fluted column with a molded base and a capital composed of four volutes, usually parallel to the architrave with a pulvinus connecting a pair on each side of the column, and an entablature typically consisting of an architrave of three fascias, a richly ornamented frieze, and a cornice corbeled out on egg-and-dart and dentil moldings, with the frieze sometimes omitted. Roman and Renaissance examples are often more elaborate, and usually set the volutes of the capitals at 45° to the architrave. Cf. composite (def. 3), Corinthian (def. 2), Doric (def. 3), Tuscan (def. 2). See illus. under order, volute.
- Poetry[Pros.]noting or employing a foot consisting either of two long followed by two short syllables (greater Ionic), or of two short followed by two long syllables (lesser Ionic.)
- Linguisticsnoting or pertaining to that variety of the eastern branch of the early Greek alphabet that was used for the writing of the Ionic dialect and that became the variety used for all dialects of Greek from the 4th century b.c. to the present.
- Language Varieties, Place Namesof or pertaining to Ionia or the Ionians.
n. - Poetry[Pros.]an Ionic foot, verse, or meter.
- Language Varietiesthe dialect of ancient Greek spoken in Euboea, the Cyclades, and on the mainland of Asia Minor at Miletus and elsewhere.
- Trademarksa style of printing type.
- Greek Iōnikós of Ionia; see -ic
- Latin Iōnicus
- 1555–65
Collins Concise English Dictionary © HarperCollins Publishers:: ionic /aɪˈɒnɪk/ adj - of, relating to, or occurring in the form of ions
WordReference Random House Learner's Dictionary of American English © 2024i•on /ˈaɪən, ˈaɪɑn/USA pronunciation n. [countable]- an atom or atom group that is electrically charged by the loss or gain of electrons, represented by a plus or a minus sign, as Na+, Ca++, or Cl-.
i•on•ic, adj. -ion, suffix. - -ion is attached to some roots to form nouns that refer to action or condition:uni- (= one) + -ion → union (= condition of being one).
Compare -tion. WordReference Random House Unabridged Dictionary of American English © 2024i•on (ī′ən, ī′on),USA pronunciation n. [Physics, Chem.]- 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.
- Greek ión going, neuter present participle of iénai to go; term introduced by Michael Faraday in 1834
I•on (ī′on),USA pronunciation n. - Classics, Mythologythe 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.
- Classics, Literature(italics) a drama on this subject (415? b.c.) by Euripides.
-ion, - 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 esp. past participles (allusion; creation; fusion; notion; torsion). Also, -ation, -ition, -tion. Cf. -cion, -xion. - Latin -iōn-
- Anglo-French
- Latin -iōn- (stem of -iō) suffix forming nouns, esp. on past participle stems; replacing Middle English -ioun
Ion., - Ionic.
Collins Concise English Dictionary © HarperCollins Publishers:: Ionic /aɪˈɒnɪk/ adj - of, denoting, or relating to one of the five classical orders of architecture, characterized by fluted columns and capitals with scroll-like ornaments
- of or relating to Ionia, its inhabitants, or their dialect of Ancient Greek
n - one of four chief dialects of Ancient Greek; the dialect spoken in Ionia
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