What does THY stand for?

Tha - Language code (ETLW)

Thayer, Robinson & Cary - NCIC firearms make code (NCIC)

Thylungra - Queensland - Airport symbol (AD)

Thymocyte - Clinical chemistry

Thyratron - Electronics (IAA)

Transitional Hospitals Corp. - NYSE symbol (SAG)

Turk Hava Yollari - Turkish Airlines - ICAO designator (FAAC)

Turk Hava Yollari AO - Turkish Airlines, Inc.

Thymine - Also, T - Biochemistry

Thymocyte - Immunology (QSUL)

Thymectomy (STED)

Thymus (STED)

Thyratron (IDOE)