3 syllables: oc, ta, vo. Stress on oc.
AHK-tuh-voh
/ˈɑk.tə.voʊ/
octavo is pronounced AHK-tuh-voh (/ˈɑk.tə.voʊ/). It has three syllables (oc-ta-vo), with the stress on "oc". Octavo is a noun or adjective derived from Spanish, historically used to denote a size of books and printed sheets. In printing, an octavo refers to a sheet folded into eight leaves (sixteen pages), and in bibliographic contexts it also describes a book size roughly corresponding to a single standard page count. In modern use, it often appears in cataloging or discussion of historical editions, occasionally as a descriptor of page format rather than a content category.
Octavo is a noun or adjective derived from Spanish, historically used to denote a size of books and printed sheets. In printing, an octavo refers to a sheet folded into eight leaves (sixteen pages), and in bibliographic contexts it also describes a book size roughly corresponding to a single standard page count. In modern use, it often appears in cataloging or discussion of historical editions, occasionally as a descriptor of page format rather than a content category.
"The library catalog lists a rare Latin text in octavo."
"He collected several octavos from the 18th century for his bibliography project."
"The scholar noted that the octavo edition is smaller than the folio versions."
Pronounce as aus-TAH-vo, with primary stress on the second syllable: /ɒkˈtɑːvoʊ/ (US) or /ˈɒk.tə.vəʊ/ (UK). Start with an open back vowel in the first syllable, stress the second syllable, and end with a clear /oʊ/ (US) or /əʊ/ (UK). Tip: keep the /t/ crisp, and avoid turning the final /vo/ into a syllabic consonant. See IPA notes above and mimic native catalog speech for accuracy.
Common errors include placing primary stress on the first syllable (OC-tavo) or flattening the middle vowel to a schwa (/ˈɒk.tə.voʊ/ vs /ɒkˈtɑːvoʊ/). Another pitfall is pronouncing the final vowel as a short /ɪ/ or /ə/ instead of the long /oʊ/ or /oʊ/ variant. To correct, emphasize the second syllable with a full, open back vowel, maintain a crisp /t/ consonant, and taper the final /o/ to a clear long vowel.
In US English, you’ll hear /ɒkˈtɑːvoʊ/ with a stronger rhotic influence and a long final /oʊ/. UK English favors /ˈɒk.tə.vəʊ/ with a lighter middle vowel and non-rhoticity, ending in /əʊ/. Australian English tends to be /ɒkˈtɑːvəʊ/ similar to US but often with a flatter intonation and less rhoticization. Focus on the middle syllable: US favors a clearer /ɑː/; UK may reduce to /ə/; AU sits between, preserving some /ɑː/ but with Australian vowel qualities.
The difficulty lies in balancing the stressed second syllable with a precise vowel quality in the middle (t-au) and the final /oʊ/ or /əʊ/ vowel, which often shifts in connected speech. Non-native speakers frequently misplace stress on the first syllable or neutralize the middle vowel to a schwa, obscuring the intended cadence of the term. Practicing with minimal pairs that contrast the middle vowel and final vowel helps lock in the correct mouth positions.
Not typically. In standard English usage within catalogs and scholarly writing, octavo remains a single word, with the second syllable carrying the main stress. In fast speech, listeners might reduce the middle vowel slightly, but the word remains connected as /ɒkˈtɑːvoʊ/ (US) or /ˈɒk.tə.vəʊ/ (UK). Expect a firm /t/ and an audible final /vo/ rather than a clipped, unclear ending.
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Octavo comes from the Latin octavus, meaning ‘eighth,’ itself from octo, ‘eight.’ In medieval and early modern book production, sheets were folded into quires, with octavo indicating that a single sheet produced eight leaves (sixteen pages). The term migrated into Spanish and Italian printing terms and then into English bibliographic vocabularies, where octavo denoted the size category by the folding scheme rather than the content. First usage in English bibliographic contexts traces to the 16th–17th centuries as book sizes proliferated in print culture; octavo contrasted with folio (two full-sized sheets) and quarto (folded twice). Over time, octavo became a common cataloging descriptor rather than a strict dimension, with slight variations in actual height depending on typeface and margins. Today, octavo is largely a historical or bibliographic term, invoked when describing edition sizes in catalogs, library records, and conservation notes; it can also signal a compact, portable edition in discussions of historical print practices.
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Words that rhyme with "octavo"
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