isp

1. abbreviationAbbreviation of ichnospecies.

plural ISPs

1. abbreviationinitialismastronomyInitialism of InterStellar Polarization.
2. abbreviationinitialismdigital signal processingInitialism of Image Signal Processor
3. InternetabbreviationinitialismInitialism 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, Allan A. Zarbock, The Emperor is Naked, page 58

   3 more examples

   Virgin Media, one of the UK's largest ISPs, has agreed to forward British music industry nastygrams to subscribers suspected of illegal file-swapping. […] But left undiscussed is the core question of why Virgin is whoring itself out like this; the law doesn't require it, and passing on letters from the British Phonographic Industry (BPI) won't make an ISP more dosh. Or will it?

   2008 June 16, Nate Anderson, “Cash, not idealism, behind ISP embrace of music biz”, in Ars Technica, archived from the original on 28 May 2022, retrieved 10 Feb 2009

   Status code 451 can be used by a website such as Facebook or Twitter, or by network intermediaries like a firewall or ISP. […] Take, for example, the U.K. government’s decision in 2012 to force ISPs to block torrent site The Pirate Bay. Instead of throwing up a 403 Forbidden code, ISPs could instead return 451 to make it clear why their customers can’t see specific content.

   2015 December 21, Ian Paul, “Error 451 is the new Ray Bradbury-inspired HTTP code for online censorship”, in PCWorld, archived from the original on 28 Aug 2025

   To avoid detection, most torrenters will use a VPN to ensure that the torrenter's Internet address is hidden and the data stream is encrypted. The use of the VPN will help protect a torrenter from the ISP's knowledge of the unauthorized downloads, but it will not protect from malware being installed during the networking sessions.

   2022, Jon M. Garon, Parenting for the Digital Generation, page 175

4. abbreviationinitialismcomputingInitialism of Interface Segregation Principle, one of the five SOLID principles of programming.
5. rocket engineeringIₛₚ, the specific impulse of a rocket engine.

1. UKabbreviationinitialismgovernmentInitialism of Independence for Scotland Party.

1. abbreviationaerospaceAbbreviation of specific impulse.