Tack Time
The amount of time it takes for an adhesive to set-up before it can form a bond.
Tails
The thick protrusions of a dovetail joint. See Dovetail joint.
Taper
A piece of wood that has been cut so that it is wider on one edge than the other.
Tear out
Chipping or splintering, usually at the point where a cutter, blade or bit exits the board.
Teeth Per Inch (tpi)
Determines the speed with which the blade cuts through stock. Blades with high tpi cut slower but leave a very smooth edge. Blades with low tpi cut quickly and leave a slightly rough edge.
Tempered Hardboard
Dense fiberboard that has been specially treated to increase its durability, strength, density, and moisture resistance.
Template
When performing duplication with the routing system, the plywood or masonite pattern that is attached to the bottom of the fixture blank and used to guide the cutting of the actual fixture.
Template guide
A jig mounted to the bottom of a router that is used to keep the router on the profile of a template when routing with a non-pilot beating bit.
Tenon
A protruding rectangular, square or round "tongue" on the end of one piece of stock that is cut to fit snugly into a mortise on a mating piece of stock.
Tension
Force exerted that pulls the components of a joint apart.
Tension Wood
Reaction wood that forms on the upper side of a leaning hardwood tree.
Thickness
The dimension of a board measured from face to face.
Throat
The distance between the cutter/blade and the body of a woodworking machine.
Toe Kick
An indentation designed into the bottom of a cabinet to provide room to allow the user to stand closer to the countertop.
Toenail
Fastening by driving nails at an angle. To drive nails at an angle.
Tongue And Groove
An extremely strong wood working joint that is formed by a tongue on the edge of one board that fits into a mating groove on another board. This method is often used when joining stock together for tabletops or other large project components and for tongue-and-groove paneling.
Torque
The amount of force that is needed to turn an object such as a screw or bolt.
Tread
in stairs the part that is stepped on.
Twist
A type of warping that causes boards to curl in more than one direction from end to end.
Tyloses
A waterproof foam like substance that forms in the pores of some species of wood. The tyloses helps to make the wood less permeable to liquids. It is common in White Oak and makes the wood excellent for wine barrels.