biplanen.

Brit.

/ˈbʌɪpleɪn/, U.S.

/ˈbaɪˌpleɪn/

Etymology: < bi- comb. form + plane n.³

1. Mathematics. Each of the pair of planes tangential to a surface at a binode.

ΘΚΠ

the world > relative properties > number > geometry > surface > [noun] > plane

plaina1398

plane1604

plan1714

primitive plane1798

homaloid1850

biplane1870

1870 Cayley in Philos. Trans. (Royal Soc.) 159 206 The binode..is a biplanar node, where instead of the proper quadricone we have two planes; these may be called the biplanes, and their line of intersection, the edge of the binode. The biplanes form a plane-pair.

1905 W. H. Blythe Models Cubic Surfaces p. xii When the biplanes coincide the node is said to be uniplanar.

2. An aeroplane having two ‘planes’ or main supporting surfaces, one above the other.

ΘΚΠ

society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > with more than one wing either side

biplane1874

triplane1908

multiplane1909

quadruplane1909

1874 D. S. Brown in Ann. Rep. Aeronaut. Soc. 14 The bi-plane when elevated will proceed for a considerable distance.

1908 Westm. Gaz. 14 Aug. 10/2 Mr. Wilbur Wright is busy experimenting with his greatly successful bi-plane.

1910 R. Ferris How it Flies 12 In March [1908], Delagrange flew in a Voisin biplane 453 feet.

1911 C. Grahame-White & H. Harper Aeroplane 17 He [sc. Lilienthal] abandoned the monoplane type of glider in favour of a biplane.

1911 C. Grahame-White & H. Harper Aeroplane 18 One of Chanute's biplane gliders was fitted with a stern rudder.

1957 P. Kemp Mine were of Trouble iv. 70 A formation of Fiat CR 42 bi-planes.

This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021).

单词	biplane
释义	biplanen. Brit. /ˈbʌɪpleɪn/, U.S. /ˈbaɪˌpleɪn/ Etymology: < bi- comb. form + plane n.³ 1. Mathematics. Each of the pair of planes tangential to a surface at a binode. ΘΚΠ the world > relative properties > number > geometry > surface > [noun] > plane plaina1398 plane1604 plan1714 primitive plane1798 homaloid1850 biplane1870 1870 Cayley in Philos. Trans. (Royal Soc.) 159 206 The binode..is a biplanar node, where instead of the proper quadricone we have two planes; these may be called the biplanes, and their line of intersection, the edge of the binode. The biplanes form a plane-pair. 1905 W. H. Blythe Models Cubic Surfaces p. xii When the biplanes coincide the node is said to be uniplanar. 2. An aeroplane having two ‘planes’ or main supporting surfaces, one above the other. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > [noun] > with more than one wing either side biplane1874 triplane1908 multiplane1909 quadruplane1909 1874 D. S. Brown in Ann. Rep. Aeronaut. Soc. 14 The bi-plane when elevated will proceed for a considerable distance. 1908 Westm. Gaz. 14 Aug. 10/2 Mr. Wilbur Wright is busy experimenting with his greatly successful bi-plane. 1910 R. Ferris How it Flies 12 In March [1908], Delagrange flew in a Voisin biplane 453 feet. 1911 C. Grahame-White & H. Harper Aeroplane 17 He [sc. Lilienthal] abandoned the monoplane type of glider in favour of a biplane. 1911 C. Grahame-White & H. Harper Aeroplane 18 One of Chanute's biplane gliders was fitted with a stern rudder. 1957 P. Kemp Mine were of Trouble iv. 70 A formation of Fiat CR 42 bi-planes. This entry has not yet been fully updated (first published 1933; most recently modified version published online December 2021). < n.1870
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