tpi

noun[plural only]3

1. •
   Initialism of threads per inch — a measure of the density of threads in screwable parts (e.g. bottom brackets).
2. •
   Initialism of teeth per inch — a measure used on saw blades
3. •
   Initialism of tracks per inch — a measure of disk capacity

noun6

1. •
   Initialism of threads per inch, either referring to the quantity of threads on a screw, or within a piece of fabric.
2. •
   Initialism of tracks per inch.
3. •
   Initialism of third party intermediary.
4. •
   Initialism of tumor proliferation index.
5. •
   Initialism of two-person integrity.
6. •
   Initialism of transfer port injection.

adjective1

1. •
   Initialism of totally and permanently incapacitated.