Word.ws English Dictionary

forearc

forearc noun: a region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain.

Noun

forearc (plural forearcs)

  1. A region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain.
    • These offshore Sonoman mountains likely formed an orogenic (mountainous) barrier to moisture inland, resulting in a mountain-shadow onshore desert punctuated by regional annual and large basin perennial streams draining into a forearc saline sea.2012, Chinle Miller, “The Tectonic Forces of the Mesozoic”, in In Mesozoic Lands: The Mesozoic Geology of Arches and Canyonlands National Parks, Kindle edition, page 34

Forms of forearc

pluralforearcs

Origin of forearc

From fore- + arc.

Questions about forearc

What does forearc mean?
Forearc means a region of raised rock debris which forms between the subduction zone and any associated volcano or volcanic chain.
What part of speech is forearc?
Forearc is a noun.
What is the plural of forearc?
The plural of forearc is forearcs.

Words near forearc in the dictionary

  1. foreappointing
  2. foreappointment
  3. foreappoints
  4. foreapprove
  5. foreapproved
  6. forearc
  7. forearcs
  8. forearm
  9. forearm bone
  10. forearm bones
  11. forearm crutch

Source and license

Adapted from Wiktionary: forearc (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: “forearc.” Word.ws, https://word.ws/forearc. Based on Wiktionary, CC BY-SA 4.0.