Noun
Heaf test (plural Heaf tests)
(medicine) A diagnostic skin test to determine whether a child has been exposed to tuberculosis infection, administered by means of a Heaf gun.
Heaf test main The Heaf tuberculin skin test was used in the United Kingdom, but discontinued in 2005. Source: Internet
The Heaf test was used until 2005 in the UK, when it was replaced by the Mantoux test. Source: Internet