Editing TD (section)

==Science and technology==
===Biology and medicine===
* td, the first self-splicing [[group I intron]] discovered in ''E. coli''
* [[Tardive dyskinesia]], a term that refers to serious adverse effects usually caused by older antipsychotic drugs
* [[Tetanus]] and [[Diphtheria]] combination vaccine
* [[Thymidylate synthase]], an enzyme
* [[Tibial dyschondroplasia]], a metabolic poultry disease
* [[Traveler's diarrhea]], an intestinal illness contracted by international travelers
* [[Troland]], a unit of retinal illuminance

===Computing===
* [[.td]], top-level domain for Chad
* &lt;td&gt;, an [[HTML element#Tables|HTML table cell delimiter tag]]
* [[Borland Turbo Debugger]], a product to debug x86 software introduced in 1989
* [[Team Developer]], a software development environment by Unify/Gupta

===Meteorology===
* [[Dew point]], the temperature when saturation occurs (100% relative humidity)
* [[Tropical depression]], a weather system which is the predecessor of typhoon, cyclone or hurricane
* [[Tropical disturbance]], a low pressure organization that is moderately likely to form to a tropical cyclone

===Other uses in science and technology===
* [[TD programme]], a series of satellites launched by ESRO
* [[Technical drawing]], a term used in the design process
* [[Temporal difference learning]], a prediction method
* Terrestrial Dynamical time, an obsolete name for [[Terrestrial Time]]
* [[Thermal desorption]], a technology that utilizes heat to increase the volatility of contaminants
* [[Todd class]] in topology, denoted Td or td
* [[Townsend (unit)]], a physical unit of reduced electric field