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a cavity in vs a cavity on

Both "a cavity in" and "a cavity on" are correct, but they are used in different contexts. "A cavity in" is used when referring to something inside a hollow space or hole, while "a cavity on" is used when referring to something on the surface of an object.

Last updated: March 20, 2024

a cavity in

This phrase is correct and commonly used in English when referring to something inside a hollow space or hole.

Use "a cavity in" when describing something located inside a hollow space or hole.

Examples:

  • There was a cavity in the wall where the mouse had made a nest.
  • The dentist found a cavity in my tooth during the check-up.

Alternatives:

  • a hole in
  • an opening in
  • a space in
  • a void in
  • an indentation in

a cavity on

This phrase is correct and commonly used in English when referring to something on the surface of an object.

Use "a cavity on" when describing something located on the surface of an object.

Examples:

  • There was a cavity on the side of the building where the bricks had fallen out.
  • The artist painted a cavity on the canvas to create a sense of depth.

Alternatives:

  • a depression on
  • an indentation on
  • a hollow on
  • a concavity on
  • a recess on

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