单词 | frustulum |
释义 | frustulumn. Obsolete. a. A fragment, an atom. ΘΚΠ the world > relative properties > wholeness > incompleteness > part of whole > [noun] > a separate part > a piece or bit > small piece > very small piece pointc1300 smitc1330 tittlea1450 scraplet1519 jot1526 splinter1609 bitling1674 shredling1674 frustulum1700 rissom1808 smitch1822 fractionlet1830 scrapling1843 pick1866 parcel1873 scrappet1901 1700 S. Parker 6 Philos. Ess. 109 Nor yet could each such Frustulum have been so modify'd and temper'd as we find, unless by the same. b. Mathematics. A small frustum. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [noun] > three-dimensional > formed by cutting solid segment of a sphere1570 sector of a sphere1656 frustum1658 truncated cone or pyramid1704 frustulum1785 wedge1883 1785 W. Herschel in Philos. Trans. (Royal Soc.) 75 241 Suppose a rectangular cone cut into frustula by..planes perpendicular to the axis. This entry has not yet been fully updated (first published 1898; most recently modified version published online June 2019). < |
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