Definition of aryl in English:

aryl

noun

Chemistry
  • [as modifier] Of or denoting a radical derived from an aromatic hydrocarbon by removal of a hydrogen atom:

    ‘aryl groups’
    • ‘It seems probable that the initial event in the toxicity of PCBs is mediated through their binding to the aryl hydrocarbon receptor.’
    • ‘Extracts of diesel exhaust particles modulate the aryl hydrocarbon receptor and estrogen-dependent gene expression in cells in vitro and are endocrine disrupters.’
    • ‘The phenyl group is a ring structure, and as such, it is an aryl group (an organic group derived from an aromatic hydrocarbon with the absence of one hydrogen).’
    • ‘Ardrox, a mixture of alkyl aryl polyglycol ethers, alkylalcohol ethoxylate propoxylate, and petroleum distillates, provides a yellow color.’
    • ‘For example, one human gene, first described in 1992, is aryl hydrocarbon receptor nuclear translocator, a mouthful that is hard to remember except by its acronym, ARNT.’

Origin

Early 20th century: from aromatic + -yl.

Pronunciation:

aryl

/ˈarʌɪl/