impact structure

  1. a large geologic formation, as a crater, created by a comet's or meteor's collision with a planet.

Words Nearby impact structure Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use impact structure in a sentence

  • An impressive example of an impact structure is Meteor Crater, Ariz., which is visited by thousands of tourists each year.

    Volcanoes | Robert I. Tilling