Word.ws English Dictionary

ARPANET

US/ˈɑɹ.pəˌnɛt/

ARPANET is the initialism of Advanced Research Projects Agency Network.

Proper noun capitalized: ARPAnet

ARPAnet or the ARPAnet

  1. (alternative) Alternative spelling of ARPANET.

Forms of ARPANET

alternative formARPAnet

Origin of ARPANET

From earlier ARPA (“Advanced Research Projects Agency”) with net for network.

Questions about ARPANET

What is ARPANET the initialism of?
ARPANET is the initialism of Advanced Research Projects Agency Network.
What part of speech is ARPANET?
ARPANET is a proper noun.
How do you pronounce ARPANET?
ARPANET is pronounced /ˈɑɹ.pəˌnɛt/ (US).

Words near ARPANET in the dictionary

  1. ARPA-E
  2. ARPABET
  3. Arpadian
  4. Arpadians
  5. Arpajon
  6. ARPANET
  7. Arpavon
  8. Arpașu de Jos
  9. arpeggi
  10. arpeggiando
  11. arpeggiandos

Source and license

Adapted from Wiktionary: ARPANET (page history and authors); ARPAnet (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “ARPANET.” Word.ws, https://word.ws/arpanet. Based on Wiktionary, CC BY-SA 4.0.