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Meaning of ar- | Babel Free

Phrase CEFR C2

Definitions

  1. Forming classification names for classes of organic compounds that contain a carbon skeleton and one or more aromatic rings.
  2. Used to form the names of inverse hyperbolic functions, and the symbols for these functions.

Equivalents

Português ar-

Examples

“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): […]”
“ar-Tetrahydro-α-carbamidonaphthalene, C₁₁H₁₄ON₂, crystallized in square plates from alc., soften at 198° and melts at about 206° (quickly heated, at 212°).”
“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: […]”

CEFR level

C2
Mastery
This word is part of the CEFR C2 vocabulary — mastery level.
See all C2 English words →

See also

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