A British multinational universal bank and financial services company. / Initialism of The Hongkong and Shanghai Banking Corporation, a subsidiary of HSBC.

Abbreviation of Hosea.

(communication, electronics) Initialism of Highspeed Circuit Switched Data (2.5G).

(telecommunications) Initialism of High Speed Downlink Packet Access (in UMTS).

(UK, rail transport) Initialism of High Speed 1, a high-speed railway between London and the Channel Tunnel.

(medicine) Initialism of hematopoietic stem cell transplantation. / Initialism of health and social care trust.

Initialism of His/Her Serene Highness, the title of a number of members of the royal family in various countries.

(Hong Kong, Singapore) Abbreviation of house.

(aviation) Initialism of High Speed Civil Transport. (NASA project to develop a supersonic passenger aircraft)

(computing) Initialism of heat sink and fan. / (nautical) Initialism of high speed ferry. / (nautical) Initialism of high speed freighter.