noun🔗ShareA size of paper, so called because it is originally made by folding and cutting a single sheet from a printing press into 12 leaves; (5 by 7¾ inches): 6.5 to 7.5 inches high, approximately 4.5 inches wide."The small poetry book was printed in duodecimo format, making it perfect to slip into a pocket. "stationerywritingliteraturetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareA sheet or page of that size."The book, printed in duodecimo, was small enough to fit in my pocket. "stationerywritingliteratureChat with AIVocabulary GamePractice Reading
noun🔗ShareA book having pages of that size."She preferred the lightweight duodecimo to the heavier textbook. "literaturewritingChat with AIVocabulary GamePractice Reading
