Hoppusn.

/ˈhɒpəs/

Forms: Also hoppus.

Etymology: < the name of Edward Hoppus, 18th-century English surveyor.

Used attributively and in the possessive to designate a method of measuring the cubic content of round timber used in the British Commonwealth, and tabulated in Hoppus' Practical Measuring now made Easy (1736) (known in later editions as Hoppus's Tables and Hoppus's Measurer); it involves multiplying the length in feet by the square of the quarter-girth in inches and dividing the result by 144. Hoppus foot n. a recent name for the ‘cubic foot’ as arrived at by the Hoppus method, approximately equal to 1·27 true cubic feet.

ΘΚΠ

the world > relative properties > measurement > the scientific measurement of volume > [adjective] > specific system

Hoppus1894

the world > relative properties > measurement > the scientific measurement of volume > [noun] > determination of cubic content of a solid > specific system of cubic measurement

centrobaric1624

off-square1662

Hoppus1894

quarter girth measure1909

the world > relative properties > measurement > the scientific measurement of volume > [noun] > determination of cubic content of a solid > specific system of cubic measurement > unit of

Hoppus foot1941

1820 R. Monteath Forester's Guide xxvi. 173 It will contain 2 solid inches and one-third of an inch, according to the measurement of Hoppus.]

1894 A. D. Webster Pract. Forestry (ed. 2) xxv. 175 Timber-measuring is rather a vexed question, some following what is known as Hoppus's system, and others advocating that of Horton.

1924 A. C. Drummie Pract. Forestry xxvii. 244 The standard usually adopted is the quarter girth Hoppus measure system, with the customary allowance for bark.

1941 S. E. Wilson Decimal Hoppus Tables 6 When the Hoppus system is employed to measure cylindrical bodies the solid foot amounts to 4/π or 1·273 cubic feet... To call the unit.. a cubic foot is accordingly inaccurate and misleading... To avoid confusion we call the ‘solid foot’ of this system a ‘Hoppus Foot’, defining it as the unit of solid contents according to the Hoppus system of measuring round timber.

1947 H. L. Edlin Forestry & Woodland Life xx. 144 The unit generally used in Britain for measuring round logs, trees, and plantations, is the customary cubic foot, or Hoppus foot.

1951 R. H. Hordern Woodworking Industry Managem. viii. 123 The 144 divisor used in the Hoppus System will show approximately 27 per cent less cubic content than the tree actually measures.

1970 Timber Trades Jrnl. 14 Mar. 53/3 Average volume of the trees was 25·4 Hoppus ft, and the price reached was 3s 5½d per Hoppus ft.

1971 Daily Tel. 7 Jan. 12/5 The hoppus foot, a traditional measure for timber,..will be replaced next month by the cubic metre and metric tonne.

This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020).

单词	hoppus
释义	Hoppusn. /ˈhɒpəs/ Forms: Also hoppus. Etymology: < the name of Edward Hoppus, 18th-century English surveyor. Used attributively and in the possessive to designate a method of measuring the cubic content of round timber used in the British Commonwealth, and tabulated in Hoppus' Practical Measuring now made Easy (1736) (known in later editions as Hoppus's Tables and Hoppus's Measurer); it involves multiplying the length in feet by the square of the quarter-girth in inches and dividing the result by 144. Hoppus foot n. a recent name for the ‘cubic foot’ as arrived at by the Hoppus method, approximately equal to 1·27 true cubic feet. ΘΚΠ the world > relative properties > measurement > the scientific measurement of volume > [adjective] > specific system Hoppus1894 the world > relative properties > measurement > the scientific measurement of volume > [noun] > determination of cubic content of a solid > specific system of cubic measurement centrobaric1624 off-square1662 Hoppus1894 quarter girth measure1909 the world > relative properties > measurement > the scientific measurement of volume > [noun] > determination of cubic content of a solid > specific system of cubic measurement > unit of Hoppus foot1941 1820 R. Monteath Forester's Guide xxvi. 173 It will contain 2 solid inches and one-third of an inch, according to the measurement of Hoppus.] 1894 A. D. Webster Pract. Forestry (ed. 2) xxv. 175 Timber-measuring is rather a vexed question, some following what is known as Hoppus's system, and others advocating that of Horton. 1924 A. C. Drummie Pract. Forestry xxvii. 244 The standard usually adopted is the quarter girth Hoppus measure system, with the customary allowance for bark. 1941 S. E. Wilson Decimal Hoppus Tables 6 When the Hoppus system is employed to measure cylindrical bodies the solid foot amounts to 4/π or 1·273 cubic feet... To call the unit.. a cubic foot is accordingly inaccurate and misleading... To avoid confusion we call the ‘solid foot’ of this system a ‘Hoppus Foot’, defining it as the unit of solid contents according to the Hoppus system of measuring round timber. 1947 H. L. Edlin Forestry & Woodland Life xx. 144 The unit generally used in Britain for measuring round logs, trees, and plantations, is the customary cubic foot, or Hoppus foot. 1951 R. H. Hordern Woodworking Industry Managem. viii. 123 The 144 divisor used in the Hoppus System will show approximately 27 per cent less cubic content than the tree actually measures. 1970 Timber Trades Jrnl. 14 Mar. 53/3 Average volume of the trees was 25·4 Hoppus ft, and the price reached was 3s 5½d per Hoppus ft. 1971 Daily Tel. 7 Jan. 12/5 The hoppus foot, a traditional measure for timber,..will be replaced next month by the cubic metre and metric tonne. This entry has not yet been fully updated (first published 1976; most recently modified version published online December 2020). < n.1894
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