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单词 stereometer
释义

stereometern.1

Etymology: < Greek στερεός solid + -μέτρης measurer.
Obsolete.
One versed in stereometry.
ΘΚΠ
the world > relative properties > number > geometry > [noun] > branches of > one who studies
geometrera1382
geometerc1450
geometrician?c1475
stereometer1608
stereometrian1608
pangeometer1882
metageometer1896
metageometrician1903
1608 R. Norton tr. S. Stevin Disme: Art of Tenths sig. B3v To Land-meaters, Measurers of Tapistry, Stereometers in generall.
This entry has not yet been fully updated (first published 1916; most recently modified version published online June 2019).

stereometern.2

/stɛriːˈɒmɪtə/
Etymology: < French stéréomètre, < Greek στερεός solid + -meter comb. form2.
1. An instrument for measuring the specific gravity of porous or pulverulent bodies, invented by Say, a French officer of engineers, in 1797. Also attributive.
ΚΠ
1801 Encycl. Brit. Suppl. II. 525/2 Stereometer, an instrument lately invented in France for measuring the volume of a body, however irregular, without plunging it in any liquid.
1856 W. H. Miller in Philos. Trans. (Royal Soc.) 146 799 To construct an instrument on the principle of the Stereometer invented by M. Say for the purpose of determining the specific gravity of gunpowder.
1856 W. H. Miller in Philos. Trans. (Royal Soc.) 146 801 The stereometer was mounted in a room..at the Mint, September 12, 1843.
1856 W. H. Miller in Philos. Trans. (Royal Soc.) 146 877 Stereometer observations.
1876 Catal. Special Loan Coll. Sci. Apparatus S. Kensington Mus. 30 Stereometer for ascertaining the density of bodies by determining their volume.
2. An apparatus consisting of a frame of bars and columns with sliding rods and wires, for illustrating problems in solid geometry.
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a1884 E. H. Knight Pract. Dict. Mech. Suppl. 865/1.
3. Cartography. Any of various instruments for measuring the parallax of a feature depicted in a stereoscopic pair of aerial photographs.
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1911 Encycl. Brit. XXV. 900/1 The stereometer may be regarded as a modification of the stereocomparator.
1940 C. A. Hart Air Photogr. vi. 178 In order that the stereometer may be moved easily while maintaining a direction parallel to the base-line of the pair of photographs, a parallel-guidance mechanism is often fitted.
1974 P. R. Wolf Elem. Photogrammetry viii. 150 Parallaxes of points may be measured stereoscopically. This method employs a stereoscope in conjunction with an instrument called a parallax bar and also..a stereometer.
This entry has not yet been fully updated (first published 1916; most recently modified version published online December 2020).
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