open cover

  1. a cover of a set consisting entirely of open sets.

Words Nearby open cover Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use open cover in a sentence

  • This will be equally good the next day, if kept in a cool place, with an open cover, which prevents all danger of souring.

  • By keeping just in their rear we might be able to urge them gently along until they should enter more open cover.

    The Land of Footprints | Stewart Edward White
  • Place the book flat upon the table, the front cover open, take book of similar thickness and place under open cover.

    Mending and Repair of Books | Margaret Wright Brown