Energy terms starting with T

142 terms

101. Transit-Oriented Development (TOD) The development of housing, commercial space, services, and job opportunities in close proximity to public transportation.
102. Translocation (TRANZ-loh-KAY-shun) A genetic change in which a piece of one chromosome breaks off and attaches to another chromosome.
103. Transmission To cause spread of germs.
104. Transmission and Distribution Losses The losses that result from inherent resistance in electrical conductors and transformation inefficiencies in distribution transformers in a transmission…
105. Transmission corridor An electric or pipeline transmission corridor is a route approved on public lands, in a BLM or other federal agency land use plan, as a location that may…
106. Transmission line A set of electrical current conductors, insulators, supporting structures, and associated equipment used to move large quantities of power at high…
107. Transmission Lines Transmit high-voltage electricity from the transformer to the electric distribution system.
108. Transmission loading relief (TLR) A NERC procedure that allows reliability coordinators to curtail transactions (among other actions) to mitigate potential or actual operating security…
109. Transmissivity The rate at which water of the prevailing kinematic viscosity is transmitted through a unit width of the aquifer under a unit hydraulic gradient.
110. Transparency Transparency is a measure of how much information you have about the markets where you invest, the corporations whose stocks or bonds you buy, or the…
111. Transportation demand management strategies (TDM) TDM is a general term for strategies that result in more efficient use of transportation resources, including incentives to reduce driving, use…
112. Transportation Efficiency Act for the 21st Century (ISTEA/TEA-21) Federal legislation that encompasses all transportation regulation and funding (Inter-modal Surface Transportation Efficiency Act was the original title).
113. Transportation Efficiency Act for the 21st Century (TEA-21) Federal legislation that encompasses all transportation regulation and funding (Inter-modal Surface Transportation Efficiency Act was the original title).
114. Traveling Grate A furnace grate that moves fuel through the combustion chamber.
115. Travertine A sedimentary rock formed by the precipitation of carbonate minerals from solution in ground and surface waters, and/or geothermal hot-springs.
116. Tree measurement sale A type of timber sale contract in which the buyer and seller agree upon the volume at the time of the sale.
117. Trellis An architectural feature used to shade exterior walls; usually made of a lattice of metal or wood; often covered by vines to provide additional summertime…
118. Tribal land In NAGPRA, tribal land is defined as: (a) all lands within the exterior boundaries of any Indian reservation; (b) all dependent Indian communities; (c)…
119. Tribe Term used to designate a federally recognized group of American Indians and their governing body. Tribes may be composed of more than one band.
120. Tributary A creek, stream, or river that feeds a larger stream or river, or lake.
121. Trickle (Solar) Collector A type of solar thermal collector in which a heat transfer fluid drips out of header pipe at the top of the collector, runs down the collector absorber…
122. triglyceride A triglyceride is an ester of glycerol and three fatty acids. Most animal fats are composed primarily of triglycerides.
123. Triple Pane (Window) This represents three layers of glazing in a window with an airspace between the middle glass and the exterior and interior panes.
124. Trombe Wall A wall with high thermal mass used to store solar energy passively in a solar home.
125. Troposphere The layer of the atmosphere closest to the Earth's surface.
126. True Power The actual power rating that is developed by a motor before losses occur.
127. True South The direction, at any point on the earth that is geographically in the northern hemisphere, facing toward the South Pole of the earth.
128. Tsunami Ocean wave produced by earthquakes or underwater landslides.
129. Tube (Fluorescent Light) A fluorescent lamp that has a tubular shape.
130. Tube-In-Plate-Absorber A type of solar thermal collector where the heat transfer fluid flows through tubes formed in the absorber plate.
131. Tube-Type Collector A type of solar thermal collector that has tubes (pipes) that the heat transfer fluid flows through that are connected to a flat absorber plate.
132. Tuff Volcanic rock made up of rock and mineral fragments in volcanic ash matrix. Tuffs commonly are composed of much shattered volcanic rock glass—chilled…
133. Tundra See Arctic tundra; Alpine tundra
134. Tungsten Halogen Lamp A type of incandescent lamp that contains a halogen gas in the bulb, which reduces the filament evaporation rate increasing the lamp life.
135. Turbidity The relative clarity of water, which may be affected by material in suspension in the water.
136. Turbine A device for converting the flow of a fluid (air, steam, water, or hot gases) into mechanical motion.
137. Turn Down Ratio The ratio of a boiler's or gasifier's maximum output to its minimum output.
138. Turn of logs A group of logs yarded at the same time by the same machine.
139. Turnkey system A system which is built, engineered, and installed to the point of readiness for operation by the owner.
140. Two-Axis Tracking A solar array tracking system capable of rotating independently about two axes (e.g., vertical and horizontal).
141. Two-settlement system A system under which the price for electricity on any given day is established and settled both on a day-ahead and a real-time basis.
142. Two-Tank Solar System A solar thermal system that has one tank for storing solar heated water to preheat the water in a conventional water heater.