Main definitions of adduct in English

: adduct1adduct2

adduct1

verb

[WITH OBJECT]
  • (of a muscle) move (a limb or other part of the body) towards the midline of the body or towards another part.

    ‘the main function of pectorals is to adduct the arms’
    The opposite of abduct
    • ‘The affected arm is flexed at the elbow and adducted against the side of the body.’
    • ‘Two possible effective responses would have been to flex the knee on the side of the higher foot, or to have adducted one leg and abducted the other.’
    • ‘A recent consensus document suggests that the arm should not be extended behind the back or adducted in an extreme position for a substantial amount of time.’
    • ‘Is it the oblique eye muscles or the superior or inferior recti that adduct the eye?’
    • ‘Then, isometrically contract the pectoral muscle, attempting to adduct the arm.’

Origin

Mid 19th century: back-formation from late Middle English adduction, from late Latin adductio(n-) bringing forward, from the verb adducere bring in (see adduce).

Pronunciation:

adduct

/əˈdʌkt/

Main definitions of adduct in English

: adduct1adduct2

adduct2

noun

Chemistry
  • The product of an addition reaction between two compounds.

    ‘a stable, covalent adduct of enzyme and substrate DNA results’
    • ‘Under these irradiation conditions, another major class of oxidative damage occurs, namely the formation of covalent protein-DNA adducts.’
    • ‘In rat liver, it has been shown that tamoxifen forms covalent DNA adducts, implying a genotoxic mechanism for its carcinogenicity in this tissue.’
    • ‘Moreover, some photoactivable compounds can also produce bulky adducts.’
    • ‘Rodents eating unfried pancakes had only one-tenth that concentration of acrylamide adducts.’
    • ‘It has been known for some time that smoking can give rise to acrylamide in human red cells that forms adducts with haemoglobin.’

Origin

1940s: from German Addukt (blend of Addition and Produkt).

Pronunciation:

adduct

/ˈadʌkt/