isp

noun1

1. •
   Abbreviation of ichnospecies.

noun5

1. •
   Iₛₚ, the specific impulse of a rocket engine.
2. •
   (Internet) Initialism of Internet Service Provider (a company that provides Internet access for a fee).

   • Upon my glorious ISP homepage is a wonderful piece of wisdumb […] — 2008
3. •
   Initialism of Image Signal Processor
4. •
   Initialism of Interface Segregation Principle, one of the five SOLID principles of programming.
5. •
   Initialism of InterStellar Polarization.