Te

Te
Tellerium is a rare, silvery-white, semi-metallic element which exhibits both metallic and non-metallic traits.
Teak
A strong and durable wood that doesn't shrink much and is comparatively easy to work.
Tear Resistance
The ability of a thin film, paper or textile to resist tearing.
Teaspoon
A convenient unit of capacity.
tebibyte
Equal to two to the power of forty bytes.
Technetium
A radioactive element not found in ores.
Technical Atmosphere
A metric unit of pressure equal to one kilogram of force per square centimetre.
Technical Report
A document that discusses the technical issues of a subject.
Tectonic Earthquakes
Earthquakes resulting from sudden release of energy stored by major deformation of the Earth.
Tee Joint
A joint between two members located approximately at right angles to each other in the form of a T.
Teflon
Tradename for Polytetrafluoroethylene.
Telecentric Lens
A multi-component system whose aperture stop is located at the front focus so that the chief rays are parallel to the optical axis in image space.
Telecommunications
The transmission, emission, or reception of signs, signals, writings, images, or sounds.
Telemetry
Communications between remote sources by wire, radio, or other means.
Telescope
Instrument used to focus electromagnetic radiation into an image.
Telescoping Gauge
A T-shaped gage used to measure the diameter or width of holes.
Television
Telecommunication medium for transmitting and receiving moving images and sound.
Telford, Thomas
Scottish civil engineer, architect and stonemason, and a noted road, bridge and canal builder.
Tellane
Old name for Hydrogen I Telluride.
Tellurium
A rare, silvery-white, semi-metallic element which exhibits both metallic and non-metallic traits.
Telodynamic Transmission
The system of transmitting power over long distances by means of pulleys and wire ropes.
TEM
An abbreviation of Transmission Electron Microscope.
Temper
Reheating hardened steel or hardened cast iron to some temperature below the eutectoid temperature for the purpose of decreasing the hardness and increasing the toughness.
Temper Colours
The colours which appear on the surface of steel heated at low temperature in an oxidizing atmosphere.
Temperature
A measure as to whether two bodies are hot or cold relative to one another.
Temperature Coefficient
The amount of change of a parameter per unit change in temperature.
Temperature Control
Temperature operated thermostatic device which automatically opens or closes a circuit.
Temperature Humidity Index
Actual temperature and humidity of air sample compared to air at standard conditions.
Temperature Inversion
The condition in which warm air is formed above a layer of cool air that is near the earth′s surface.
Temperature Range
The minimum to maximum temperature over which a piece of equipment will operate.
Temperature Resolution
The minimum change in temperature that can be detected.
Tempering
Reheating a quench-hardened or normalized ferrous alloy to a temperature below the transformation range and then cooling at any rate desired.
Template
A pattern to guide the marking or cutting of a shape.
Tempo
The speed of occurrence of the beats for a given metric structure.
Temporal
An adjective meaning "pertaining to time"
Temporary Threshold Shift
A temporary impairment of hearing acuity as indicated by a change in the threshold of audibility.
Temporary Water Hardness
The component of total water hardness that can be removed by boiling the water.
Tenacity
The tensile stress expressed as force per unit linear density of an unstrained specimen.
Tenon
A projection made by cutting away the wood around it to insert into a mortise to make a joint.
Tenon Saw
Fine-toothed hand saw used to cut tenons and other wood joints accurately.
Tensegrity
An array of tension cables and compression rods that supports a structure that were invented by Buckminster Fuller student Kenneth Snellson.
Tensile Fracture
A fracture caused by tensional stress.
Tensile Strength
The ultimate strength of a material prior to fracture when subjected to an increasing tension load.
Tensile Stress
Stress acting on the cross-sectional area of a body normal to the tension force acting on the body.
Tension
A stretching force that pulls on a material.
Tension Ring
A support ring that resists the outward force pushing against the lower sides of a dome.
Tension Set
Extent to which vulcanized rubber is permanently deformed after being stretched a specified amount for a short time.
Tension Shackle
A link attached to the rear eye of a leaf spring and to the frame of the vehicle.
Tephra
Materials of all types and sizes that are erupted from a crater or volcanic vent and deposited from the air.
tera
Prefix representing a multiplication of 1012
Tera Electron Volt
One trillion electron Volts.
Terahertz
One trillion cycles per second, 1012 Hz.
Teratogen
A substance that can cause deformities in embryos. Dioxin is a teratogen.
Terbium
Used in the semiconductor industry as a dopant.
Terminal
A point at which electrical connections can easily be made or broken.
Terminal Board
An insulating base or slab equipped with terminals for connecting wiring.
Terminal Diagram
A diagram of a switch, relay, terminal board, or other component showing the connections to the equipment.
Terminal Lug
A device attached to a conductor to permit connection to a terminal.
Terminal Reaction
A reaction that ends a cycle or chain of other chemical reactions.
Terminal Side
The side that the measurement of an angle ends at.
Terminal Speed
The speed obtained in free fall when the upward force of air resistance is equal to the downward force of gravity.
Termination Shock
Particles from the Sun begin to slow and clash with matter from the sparse gas found between the stars.
Terminator
A device that provides electrical resistance at the end of a transmission line.
Terpolymer
A copolymer composed of three different types of monomers.
Terrestrial Planet
One of four rocky planets found within the inner solar system.
Tertiary
The geological period from 65 million to 1.64 million years ago.
Tertiary Amyl Ethyl Ether
An ether based on reactive C5 olefins and ethanol.

Tertiary Amyl Methyl Ether
An ether based on reactive C5 olefins and methanol.

Tertiary Logic
An experimental technology in which logic gates are based on three distinct voltage levels.
Tesla
The SI unit of magnetic flux density and equal to 1 weber per square metre.
Tesla Antenna
A form of wireless antenna or wave launching structure developed by Nikola Tesla.
Tesla Coil
An electrical oscillator developed by Nikola Tesla which produces high voltage, radio frequency alternating electric current.
Tesla Coil Transmitter
A Tesla coil configured specifically for the purpose of wireless transmission of electrical energy using either of two ground-based methods.
Tesla Effect
The wireless transmission of electrical energy between a Tesla coil transmitter and a Tesla receiving transformer by the means of electrical currents.
Tesla Receiving Transformer
A grounded resonance transformer specifically intended for the reception of energy transmitted by a Tesla coil transmitter.
Tesla Turbine
A rotary engine consisting of multiple ported disks where high velocity gases enter tangentially through a wide nozzle at the periphery of the disks.
Tesselation
A covering of a plane with congruent copies of the same region with no holes or overlaps.
Test Equipment
A general term applied to devices used to test electrical and electronic circuits.
Test Oil
Any oil subjected to evaluation in an established procedure.
Test Parameter
A specified component, property, or condition of a test procedure.
Tetrachloromethane
Alternative name for Carbon Tetrachloride.
Tetrad
Unit of quantity equal to four.
Tetraethyl Lead
An octane enhancer.
Tetrafluoromethane

CF4

Colourless and odourless gas, used in circuit board manufacture, manufacture of insulating materials and semiconductors. Also used as a low temperature refrigerant.

Tetragon
A four-sided polygon.
Tetrahedral
A molecular shape that results when there are four bonds and no lone pairs around the central atom in the molecule.
Tetrode
A four-electrode tube or transistor.
Tetrode Tube
A four-electrode electron tube containing a plate, a cathode, a control grid, and a screen grid.
Tetromino
A four-square polyomino.
TeV
Abbreviation of Tera electron Volt.
Tex
The unit of linear density equal to the mass in grams per 1000 m of fibre, yarn, or other textile strand.