octavo
Americannoun
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a book size of about 6 × 9 inches (16 × 23 centimeters), determined by printing on sheets folded to form 8 leaves or 16 pages. 8vo, 8°
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a book of this size.
adjective
noun
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Often written: 8vo. 8°. Also called: eightvo. a book size resulting from folding a sheet of paper of a specified size to form eight leaves
demi-octavo
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a book of this size
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(formerly) a size of cut paper 8 inches by 5 inches (20.3 cm by 12.7 cm)
Other Word Forms
Etymology
Origin of octavo
First recorded in 1575–85; short for New Latin in octāvō “in an eighth (of a sheet)”
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
