| 单词 | twentymo |
| 释义 | twentymo /twen"tee moh', twun"-/, n. , pl. twentymos, adj. n. 1. a book size of about 3 × 5 in. (8 × 12 cm), determined by printing on sheets folded to form 20 leaves or 40 pages. 2. a book of this size. Symbol: 20mo, 20° adj. 3. in twentymo. Also called vigesimo. [1835-45; TWENTY + -MO] |
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