trim size

American  

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.

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trim size British  

noun

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

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Etymology

Origin of trim size

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 • Jul. 25, 2019

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 • Aug. 5, 2014

Tall and pretty, with her mother’s long neck, she is now a trim size 8.

From New York Times • Jun. 5, 2010