Word Pronunciation & Dictionary

ar-

Word Rarity Uncommon

Frequency: 4.06 in modern English

Syllables: ar-
IPA

2

Scrabble Score

2

Letters

2

Syllables

2

Unique Chars

Meaning

prefix

Forming classification names for classes of organic compounds that contain a carbon skeleton and one or more aromatic rings.

prefix

Used to form the names of inverse hyperbolic functions, and the symbols for these functions.

prefix

Alternative form of ad- (“to, toward”).

Example Sentences

"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: […]"

Etymology

Extracted from the word aromatic.

Origin

Source language: Latin

Word Breakdown

Root: ad-

Derived Forms

arrange array arrears arrest arrive arrogance

Synonyms

arc- a- -1

Questions

What does ar- mean?: Forming classification names for classes of organic compounds that contain a carbon skeleton and one or more aromatic rings.
Where does ar- come from?: It is traced to Latin.

How to pronounce ar-

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