Meanings
proper noun
- informalcomputingThe TOPS-20 operating system for the PDP-10 mainframe computer.
Origin
Blend of twenty + TENEX, the latter (derived from ten extended) being an earlier operating system for the same machine.
Full word history & related roots →Cite this entry
APA
TWENEX. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/TWENEX
MLA
“TWENEX.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/TWENEX. Accessed November 3, 2026.
Chicago
WatkinsX Dictionary, s.v. “TWENEX,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/TWENEX.
Source: TWENEX on Wiktionary, CC BY-SA 4.0.