T&D (Transmission and Distribution)
TAME (Tertiary Amyl Methyl Ether)
TBE (Technical Bid Evaluation)
TCE, tce (Tonne of Coal Equivalent)
Technical Evaluation Condition
Teflon (Polytetrafluoroethylene)
TEMA (Tubular Exchanger Manufacturers Association)
Termination Charge or Fee (or Cancellation Charge)
Terms and Conditions (Ts & Cs)
Terms of Use (TOU) or Terms of Service (TOS)
Terrorism Risk Insurance Act (TRIA)
Tertiary Extraction (or Enhanced Extraction)
TEU (Twenty Foot Equivalent Unit)
THAAD (Terminal High Altitude Area Defense)
ThePD Map (The Project Definition Map)
Thermal Gradient (or Geothermal Gradient)
Thermal/ Infrared Testing (IR)
Thermoset (or Thermosetting Polymer)
Thin-Film Solar Cell (TFSC) or Thin-Film Photovoltaic Cells (TFPV)
Three Dimensional Model (3D Model)
Three Dimensional Model (3D Model) to Engineering Drawing
Three Dimensional Modelling (3D Modelling)
Three Dimensional Printer (3D Printer)
Three Dimensional Survey (3D Survey)
TMO (Television Match Official)
TNT (Trinitrotoluene, C6H2(NO2)3CH3)
Toe-to-Heel Air Injection (THAI)
Tonne (t, short for metric ton)
TPA (tpa, Tonnes per Annum), MTPA (Mtpa, Million Tonnes per Annum)
TPP (Trans-Pacific Partnership), or TPPA (Trans Pacific Partnership Agreement)
TQM (Total Quality Management)
Transition Metal (or Transition Element)
Transitional Safeguard Mechanism
Transmission and Distribution Losses
Transparent Conducting Oxide (TCO)
TRIA (Temporary Refuge Integrity Analysis)
Trigeneration (or Combined Cooling, Heat and Power (CCHP))