TDS

TDS may refer to:

Business

• An oscilloscope product line by Tektronix
• Telephone and Data Systems (also called TDS Telecom), a company providing local telephone and other communication services to customers in the United States
• Thompson Dorfman Sweatman (also called TDS and Thompson Dorfman Sweatman LLP), a law firm based in Winnipeg, Canada
• Technical Design Specification, a document that states the complete definition for a required development

Computing

• Tabular Data Stream, a computer protocol normally used by database servers
• TeX Directory Structure, a directory hierarchy for macros, fonts, and the other implementation-independent TeX system files
• Tivoli Directory Server, directory server software from IBM
• Traffic Direction System, landing pages that direct traffic to malicious content based on a variety of criteria
• Transposition driven scheduling, an algorithm for solving puzzles efficiently in parallel computer systems

Entertainment

• The Daily Show, a satirical news program hosted by Trevor Noah
• The Daily Show (Irish TV series), a former lifestyle magazine show
• The Downward Spiral, a 1994 album by Nine Inch Nails
• Thief: Deadly Shadows, a 2004 PC game released by Ion Storm
• Tokyo DisneySea
• Top-down shooter, a type of shoot 'em up video game

Education

• The Doon School, an independent boarding school in Dehradun, India.
• The Thomas Delarue School, Tonbridge, Kent, UK.

Finance

• Tax Deducted at Source

Medicine

• medication to be taken three times daily; from Latin, ter die sumendus
• Testicular dysgenesis syndrome
• Trans-Duodenal Sphinctero, an operation to open the lower end of the common duct to remove impacted stones or to relieve spasm or stricture of the terminal bile and pancreatic ducts
• TransDermal Scopolamine, a way to administrate scopolamine by transcutaneous diffusion through the skin to minimize nausea and vomiting in motion-sickness and post-operation treatments

Military

• Tonga Defence Services, the armed forces of Tonga
• United States Army Trial Defense Service

Science

• Thermal desorption spectroscopy (TDS), a method of observing molecules absorbed by a material
• Tornado debris signature, an area of enhanced reflectivity on weather radar as debris is lofted by a tornado
• Total dissolved solids, the total mass content of dissolved ions and molecules or suspended microgranules in a liquid medium
• Transderivational search, a psychological and cybernetics term meaning an associative search for possible meaning
• Time Delay Spectrometry, a technique to measure the system response of electro-acoustical systems

Others

• Tenancy deposit scheme, a legal requirement to protect the deposit paid for certain tenancy agreements in the UK
• Time-Driven Switching, a data switching technique