volcanic arc
Geology
noun
A curved zone comprising volcanoes and volcanic or plutonic rocks, especially one situated at the edge of a plate margin above a subduction zone; an island arc.
Origin
Late 19th century.
- central tendency
- Central time
- Central Valley
- centre
- centre back
- centre bit
- centreboard
- centre chief
- centred
- centredness
- centre field
- centre fielder
- centrefire
- centrefold
- centre forward
- centre half
- centre half-back
- centre half-forward
- centre ice
- centre line
- centremost
- centre of attention
- centre of attraction
- centre of buoyancy
- centre of curvature