A knot which cannot be written as the connected sum of simpler knots. The trefoil knot is prime, whereas the granny knot (in the figure) is not prime, being the connected sum of two trefoils.
Granny knot
- trap-door caldera
- Trapezium
- trapezium
- trapezium distortion
- trapezium rule
- trapezohedron
- trapezoidal rule
- trapping recombination
- trapping state
- travelling salesman problem
- travelling salesman problem(in graph theory)
- travelling wave
- travelling-wave accelerator
- travelling-wave amplifier
- travelling-wave tube
- travel time
- travel-time curve
- travel-to-work area
- traversable graph
- traversal
- traverse
- Travers, Morris
- travertine
- trays
- Treasury