ar-
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See also: Appendix:Variations of "ar"
English[edit]
Etymology[edit]
Extracted from the word aromatic.
Prefix[edit]
ar-
- (organic chemistry) Forming classification names for classes of organic compounds that contain a carbon skeleton and one or more aromatic rings.
- 1900, Edgar Fahs Smith (English translator), R. Anschütz (German editor), Victor von Richter's Organic Chemistry: or, Chemistry of the Carbon Compounds, Third American Edition, Volume II, P. Blakiston's Son & Co., page 393:
- Potassium permanganate oxidizes ac-tetrahydronaphtylamine to o-hydrocinnam-carboxylic acid (p. 245); ar-tetrahydronaphthylamine, however, because of the oxidation of its amided benzene nucleus, is changed to adipic acid together with oxalic acid (B. 22, 767): […]
- 1919 January 10, C. J. West, abstract of G. Schroeter and K. Thomas, “Transformation of tetrahydronaphthalene (tetralin) in the animal body”; in American Chemical Society, Chemical Abstracts, Volume 13, Number 1, page 43:
- ar-Tetrahydro-α-carbamidonaphthalene, C11H14ON2, crystallized in square plates from alc., soften at 198° and melts at about 206° (quickly heated, at 212°).
- 2006, Amit Arora, Aromatic Organic Chemistry, Discovery Publishing House (2007), →ISBN, page 173:
- 1-Naphthylamine is reduced by sodium and isopentanol to ar-tetrahydro-1-naphthylamine; the prefix ar- is the abbreviation of aromatic and indicates that the four hydrogen atoms are not in the ring containing the amino-group: […]
- 1900, Edgar Fahs Smith (English translator), R. Anschütz (German editor), Victor von Richter's Organic Chemistry: or, Chemistry of the Carbon Compounds, Third American Edition, Volume II, P. Blakiston's Son & Co., page 393:
References[edit]
Anagrams[edit]
Aka-Bea[edit]
Prefix[edit]
ar-
- prefix for limbs or upright things
Old Irish[edit]
Etymology[edit]
From Proto-Celtic *ɸare-. Prefix form of ar (“in front of”).
Prefix[edit]
ar-
Derived terms[edit]
Welsh[edit]
Etymology[edit]
From Proto-Brythonic *ar-, from Proto-Celtic *ɸare.[1]
Pronunciation[edit]
Prefix[edit]
ar-
Derived terms[edit]
Mutation[edit]
Welsh mutation | |||
---|---|---|---|
radical | soft | nasal | h-prothesis |
ar- | unchanged | unchanged | har- |
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs. |
References[edit]
- ^ J. Morris Jones, A Welsh Grammar, Historical and Comparative (Oxford 1913), § 156 i (6).
- R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “ar-”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies
Categories:
- English lemmas
- English prefixes
- en:Organic chemistry
- en:Chemistry
- Aka-Bea lemmas
- Aka-Bea prefixes
- Old Irish terms inherited from Proto-Celtic
- Old Irish terms derived from Proto-Celtic
- Old Irish lemmas
- Old Irish prefixes
- Welsh terms inherited from Proto-Brythonic
- Welsh terms derived from Proto-Brythonic
- Welsh terms inherited from Proto-Celtic
- Welsh terms derived from Proto-Celtic
- Welsh terms with IPA pronunciation
- Welsh lemmas
- Welsh prefixes