Main definitions of afterload in English

: afterload1afterload2

afterload1

noun

Physiology
  • Physiology. Originally (in experimental studies of muscle contraction): a load added to a strip of muscle after contraction has begun. In later use also: the force that a ventricle of the heart must generate in order to eject blood (determined largely by vascular resistance).

Origin

Mid 19th century (in an earlier sense). From after- + load.

Pronunciation:

afterload

/ˈɑːftələʊd//ˈaftələʊd/

Main definitions of afterload in English

: afterload1afterload2

afterload2

verb

  • 1Physiology
    with object Physiology. To subject (a muscle) to an afterload.

  • 2Medicine
    with object Medicine. In radiotherapy: to load (a previously implanted receptacle) with a radioactive substance; to insert (a radioactive substance) into such a receptacle.

Origin

Late 19th century; earliest use found in Brain: a journal of neurology. Probably partly from afterload, and partly from after- + load.

Pronunciation:

afterload

/ˈɑːftələʊd//ˈaftələʊd/