Meaning of "onium compound" in the English dictionary

ETYMOLOGY OF THE WORD ONIUM COMPOUND

From (amm)onium.

Etymology is the study of the origin of words and their changes in structure and significance.

PRONUNCIATION OF ONIUM COMPOUND

onium compound  [ˈəʊnɪəm]

GRAMMATICAL CATEGORY OF ONIUM COMPOUND

Onium compound is a noun.

A noun is a type of word the meaning of which determines reality. Nouns provide the names for all things: people, objects, sensations, feelings, etc.

WHAT DOES ONIUM COMPOUND MEAN IN ENGLISH?

Onium compound

In chemistry, an onium compound, or onium ion, is a cation formally obtained by the protonation of mononuclear parent hydride of a pnictogen, chalcogen, or halogen. The oldest-known onium ion, and the namesake for the class, is ammonium, NH+ 4, the protonated derivative of ammonia, NH 3. The name onium is also used for cations that would result from the substitution of hydrogen atoms in those ions by other groups, such as organic radicals, or halogens; such as tetraphenylphosphonium, 4P+. The substituent groups may be di- or trivalent, yielding ions such as iminium and nitrilium. Onium ions have a charge of +1. A molecule with two or more onium ion subgroups is said to be a double onium ion, triple onium ion, and so on. Compounds of an onium cation and some other negative ion are known as onium salts. Onium compounds are inversely analogous to ate complexes. Lewis bases form onium ions when the central atom gains one more bond and becomes a positive cation. Lewis acids form -ate ions when the central atom gains one more bond and becomes a negative anion.

Definition of onium compound in the English dictionary

The definition of onium compound in the dictionary is any salt in which the positive ion is formed by the attachment of a proton to a neutral compound, as in ammonium, oxonium, and sulphonium compounds.

TRANSLATION OF ONIUM COMPOUND

Find out the translation of onium compound to 25 languages with our English multilingual translator.

The translations of onium compound from English to other languages presented in this section have been obtained through automatic statistical translation; where the essential translation unit is the word «onium compound» in English.

• Translator English - Chinese: 类化合物
• Translator English - Spanish: compuesto onio
• English: onium compound
• Translator English - Hindi: onium यौगिक
• Translator English - Arabic: مجمع أونيوم
• Translator English - Russian: ониевые соединение
• Translator English - Portuguese: composto ônio
• Translator English - Bengali: Onium যৌগিক
• Translator English - French: composé onium
• Translator English - Malay: Sebatian onium
• Translator English - German: Oniumverbindung
• Translator English - Japanese: オニウム化合物
• Translator English - Korean: 오 화합물
• Translator English - Javanese: Senyawa onium
• Translator English - Vietnamese: hợp chất onium
• Translator English - Tamil: Onium கலவை
• Translator English - Marathi: ऑनियम कंपाऊंड
• Translator English - Turkish: Onium bileşik
• Translator English - Italian: composto onium
• Translator English - Polish: związek oniowa
• Translator English - Ukrainian: онієвих з´єднання
• Translator English - Romanian: compus onium
• Translator English - Greek: -ωνιου ένωση
• Translator English - Afrikaans: onium verbinding
• Translator English - Swedish: oniumförening
• Translator English - Norwegian: oniumforbindelse

10 ENGLISH BOOKS RELATING TO «ONIUM COMPOUND»

Discover the use of onium compound in the following bibliographical selection. Books relating to onium compound and brief extracts from same to provide context of its use in English literature.

Comparative Biochemistry V1: A Comprehensive Treatise

Where the onium compound is thiamine, DPN, or nicotinamide riboside, the enzymes involved while specific for the donor compounds, thiamine or DPN respectively, exhibit a broad substrate specificity for the acceptor molecule; furthermore ...

Marcel Florkin, 2012

Calcium Compounds—Advances in Research and Application: 2013 ...

When the inner layer of the heat-resistant hose is formed by using a fluorine- based rubber composition containing the polyol-based vulcanizing agent, an organic onium compound as a polyol-based vulcanization accelerator, and magnesium ...

‎2013

Clay-containing Polymeric Nanocomposites

Intercalating carrier A carrier comprising water with or without an organic solvent used to form an Intercalating composition with onium compound, capable of achieving Intercalation of the Layered material. During co-intercalation with ...

L. A. Utracki, 2004

PROGRESS IN MEDICINAL CHEMISTRY

(CXXIX) and the NNNNNN-hexa-onium compound (CXXX) have been examined in the cat, rabbit, frog, mouse and chick. Ethonium compounds in which the onium groups are separated by 5 or 6 methylene groups are predominantly ...

Gwynn Pennant Ellis, Geoffrey Buckle West, 1963

Russell, Hugo & Ayliffe's Principles and Practice of ...

6.1 Cationic agents Cationic surfactants possess strong bactericidal, but weak detergent, properties. The term 'cationic detergent' usually signifies a quaternary ammonium compound (QAC, quats, onium compound). Lawrence (1950), D'Arcy  ...

Adam Fraise, P. A. Lambert, Jean-Yves Maillard, 2008

Certain Curable Fluoroelastomer Compositions, Inv. 337-TA-364

4, lines 30 to 70 teaches that a critical ingredient in the final curable composition is for example bisphenol A and that the composition includes at least one quaternary ammonium or quaternary phosphonium compound (the "onium" compound) ...

‎

Rubber Compounding Ingredients: Need, Theory and Innovation: ...

... 68 152 180 220 249 250 257 308 336 433 OLIGOSILOXANE, 5 OLIGOTERPENE, 220 OLIVE OIL, 363 ONIUM COMPOUND, 36 OPACITY, 307 OPTICAL PROPERTIES, 26 69 142 307 ORGANIC PIGMENT, 14 430 ORGANOFUNCTIONAL, ...

C. Hepburn, 1997

Photoinitiated Polymerisation: Theory and Applications

... 547 OLEFIN COPOLYMER, 489 OLEFIN EPOXIDE, 282 OLEOPHILIC, 292 OLIGOESTER ACRYLATE, 63 OLIGOMER, 7 75 77 78 90 103 164 177 246 258 281 342 428 486 533 534 OLIGOMERISATION, 527 ONIUM COMPOUND, 9 376  ...

J.P. Fouassier, 1998

The Chemistry of Heterocyclic Compounds, Acridines

An order of preference for the last radical in the naming of complex organic compounds is also used by Chemical Abstracts: onium compound, acid, acid halide, amide, imide, amidine, aldehyde, nitrile, isocyanide, ketone, alcohol, thiol, amine, ...

R. Morrin Acheson, 2009

Drugs From Natural Products

12), a tris-onium compound (Bovet et al, 1947). Gallamine had a relatively rapid onset and offset of action compared with tubocurarine, but produced marked tachycardia and was eventually withdrawn from clinical use. A similar fate lay in store ...

Alan L. Harvey, 1993