Word.ws English Dictionary

regio

regio noun: any large area of a planet or moon that is strongly differentiated from neighbouring areas by colour or albedo.

Noun

regio (plural regiones)

  1. (planetary geology) Any large area of a planet or moon that is strongly differentiated from neighbouring areas by colour or albedo.
  2. (Ancient-Rome) A district of a city.
    • The British School has unearthed a city of continuous houses, more than 400 feet long by 350 broad, whose many blocks or "insul[ae]" might seem almost to need the more elaborate grouping of the "regiones" of Pompeii.1907, Ronald M. Burrows, The Discoveries In Crete, page 27

Forms of regio

pluralregiones

Origin of regio

Learned borrowing from Latin regiō. Doublet of region.

Phrases with regio

Questions about regio

What does regio mean?
Regio means any large area of a planet or moon that is strongly differentiated from neighbouring areas by colour or albedo.
What part of speech is regio?
Regio is a noun.
What is the plural of regio?
The plural of regio is regiones.

Words near regio in the dictionary

  1. reginette
  2. reginicide
  3. reginicides
  4. Regino
  5. Reginos
  6. regio
  7. Regio Esercito
  8. regio-
  9. regiochemical
  10. regiochemically
  11. regiochemistry

Source and license

Adapted from Wiktionary: regio (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.

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