trim size

noun

1. the final size of a product after its unnecessary parts have been cut off or removed:

   The trim size of the book in 6½ inches by 9 inches.

trim size

noun

1. the size of a book or a page of a book after all excess material has been trimmed off

Word History and Origins

Origin of trim size¹

First recorded in 1925–30

Example Sentences

No EC titles survived the purge except Mad, which escaped the Comics Code by expanding its trim size to become a “magazine”—and this new, adaptable hybrid format was the key to its longevity.

From The New Yorker

“We couldn’t fit all the baking that should have been in there,” Nilsson says, “but, at that trim size, the book could not have possibly been any bigger.”

From Wall Street Journal

“We are happy that schools will be able to acquire our trade edition of ‘To Kill a Mockingbird’ — a superior reading experience, with its larger trim size and greater durability — at the lower price they have become accustomed to,” Michael Morrison, the president and publisher of HarperCollins, said in a statement.

From New York Times

Mass-market trim size, e-books, experimental pricing: These are all trends that romance came to first, so it just makes sense that excellence in self-publishing exists here.”

From Washington Post

The real thing I wanted from this book was the jackets to be the actual size they were designed for; which is why the trim size is the size of the books I designed.

From Los Angeles Times