Meanings
- A science park near Porton, Wiltshire, England that is home to two British military research facilities
Tests at Porton Down, the government's biological warfare laboratory, confirmed the substance was ricin, a poison for which there is no cure.
2025 January 24, “How red flags over Southport killer were repeatedly missed”, in BBC
Cite this entry
Porton Down. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Porton%20Down
“Porton Down.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Porton%20Down. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “Porton Down,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Porton%20Down.
Source: Porton Down on Wiktionary, CC BY-SA 4.0.