Noun
Initialism of hole-board test.
(textiles) Initialism of herringbone twill.
Source: en.wiktionary.orgAbout 90 per cent of patients admitted at a 200-bed facility at HBT Trauma Center in Jogeshwari require oxygen supply. Source: Internet
It also includes part of the next chapter, telling how the HBT was taken by a garbage collector, who refused to return it. Source: Internet
This book contains many references to an earlier source, The Honest Book of Truth (HBT). Source: Internet