TLC
Initialism of triple-level cell.
Entries starting with T
536 entries.
TLI
Initialism of trans-lunar injection.
TM
Initialism of telephone manager.
TMA
Initialism of truck-mounted attenuator.
TNC
Initialism of threaded nut connector; the threaded version of a BNC connector.
toast rack
Any of several types of railway or tramway passenger vehicles with open sides and transverse benches that span the width of the vehicle body, such that it resembles a toast rack.
toaster
An EMD AEM-7 electric locomotive
toboggan
To fly sharply downward so as to build up speed to facilitate in-flight refueling of a faster aircraft.
toby box
A box containing a service (fibre optic microducts, mains water, etc.) set into the street or verge for connection to a property, typically containing a shutoff valve to allow for maintenance at the connected property.
TOC
nounRail equipment
Initialism of train operating company.
toe
nounCarpentry
The long side of an angled cut.
toe-crushing
nounConstruction
A failure of a brick wall in which the bricks at one lower end crack and crumble.
toed
adjectiveConstruction
Having the end secured by nails driven obliquely; said of a board, plank, or joist serving as a brace, and in general of any part of a frame secured to other parts by diagonal nailing.
togethering
The practice of arranging joint travel or vacations, as a group.
token
Ten and a half quires, or, commonly, 250 sheets, of paper printed on both sides; also, in some cases, the same number of sheets printed on one side, or half the number printed on both sides.
tokenless block
nounRail equipment
A type of signalling system on a single-track line which dispenses with the need for a train to carry a token (physical object exchanged between drivers and signalmen).
tom
To dig out a hole below the hatch cover of a bulker and fill it with cargo or weights to aid stability.
tomato cage
A cage-like structure placed around a growing tomato plant to support the fruit.
tombstoning
An unwanted effect in the manufacture of electronic circuit boards, in which a component stands up on end instead of lying flat.
tommy bar
nounMachining
A cylindrical iron or steel bar used as a lever.
tone dialing
A system of telephone dialing in which each digit is transmitted as a burst of a single audio frequency.
tongue
A short piece of rope spliced into the upper part of standing backstays, etc.; also, the upper main piece of a mast composed of several pieces.
tongue grafting
A technique that joins a scion to a rootstock by making matching long diagonal cuts and interlocking "tongue" cuts, maximizing cambium contact for a strong union.
tonneau cover
A protective covering which may be secured over the exposed portion of a motor vehicle, such as the seating area of an open sports car or the back of a pickup truck.
tonstein
Any indurated argillaceous rock that stands out within coal measures as a distinctive marker horizon.
tool-rest
nounMetalworking
The part of a machine, such as a lathe, that supports the cutting tool.
toolpath
nounMachining
The path through space that the tip of a cutting tool follows on its way to producing the desired geometry of the workpiece.
toolpathing
nounMachining
The selection or configuration of a toolpath.
toothing
nounConstruction
Bricks alternately projecting at the end of a wall, in order to be bonded into a continuation of it when the remainder is carried up.
top
A plug or conical block of wood with longitudinal grooves on its surface, in which the strands of the rope slide in the process of twisting.
top and but
nounManufacturing
A method of working long tapering planks by bringing the but of one plank to the top of the other to make up a constant breadth in two layers.
top dead center
The reference mark on a flywheel (and engine block) indicating the engine is in this position, when aligned.
top fermentation
nounManufacturing
Alcoholic fermentation during which the yeast cells are carried to the top of the fermenting liquid.
top-down
adjectiveAutomotive
Of a drop top, with the convertible top down.
top-end
adjectiveAutomotive
Of or relating to the higher gears on a geared engine, especially in a motor vehicle.
topless
nounAutomotive
A convertible car having the top retracted or otherwise open.
topsail
A sail or either of the two sails rigged just above the course sail and supported by the topmast on a square-rigged sailing ship.
topside
nounConstruction
The structure and assembly of modules on the deck of any floating installation.
topsoil
The upper layer of soil, typically most fertile and in which it is the easiest to start new plants.
topstitch
nounManufacturing
A sewing technique, most often used on garment edges such as necklines and hems, where it helps facings to stay in place and gives a crisp edge.
torch
To point (“fill up and bring to a smooth finish”) (inside joints of slates laid on laths) using lime hair mortar.
torch down
verbConstruction
To use a propane torch to burn sheets of modified bitumen, a technique used on roofs to provide waterproofing and fire resistance.
torchman
A member of a firefighting team who ignites back fires.
torpedo
nounRail equipment
A small explosive device attached to the top of the rail to provide an audible warning when a train passes over it.
torque
To make something rotate about an axis by imparting torque to it.
torque converter
A device that converts the rotational output of a prime mover into work by driving a rotational load. A torque converter functions as a clutch and reduction gear, usually inside an automatic transmission, to allow loose coupling between the driver and the driven, letting the drive (such as a motor or engine) rotate at different speeds from the load (such as a wheel).
torque steer
The pull of a front-wheel drive car's steering to one side (i.e. away from straight ahead) when accelerating. This is an undesirable phenomenon and arises from the driveline components that take the engine's power to the two wheels.
torquey
Producing a large amount of torque.
torr
A unit of pressure that is equal to approximately 0.001316 atmospheres or 133.3 pascals.
torsel
nounCarpentry
A plate of timber for the end of a beam or joist to rest on.
torsion
That force with which a thread, wire, or rod of any material returns, or tends to return, to a state of rest after it has been twisted; torsibility.
tossable
adjectiveAutomotive
Nimble, maneuverable, responding quickly to steering input.
tossing
The process of washing ores by violent agitation in water, in order to separate the lighter or earthy particles; tozing.
total digestible nutrients
The total fiber, protein, lipid, and carbohydrate in a feed which can be converted into energy for an animal.
total internal reflection
A phenomenon where light, instead of passing into a medium of a lower refractive index and refracting away from the normal, is completely reflected by the boundary between the two media because it approaches at an angle greater than or equal to the critical angle.
tote
nounCarpentry
The principal handle of a handplane, for gripping the plane.
touch
nounManufacturing
The broadest part of a plank worked top and but, or of one worked anchor-stock fashion (that is, tapered from the middle to both ends); also, the angles of the stern timbers at the counters.
touch off
verbMachining
To establish a reference coordinate or datum, by moving the tool head to just touch the workpiece or machine bed.
touch screen
An input and output device that allows the user to interact with the computer by touching the display screen.
touch-tone dialing
A system of telephone dialing in which each digit is transmitted as a tone or combination of tones of specific pitch.