sectoraladj.

Brit.

/ˈsɛkt(ə)rəl/,

/ˈsɛkt(ə)rl̩/, U.S.

/ˈsɛktərəl/,

/sɛkˈtɔrəl/

Etymology: < sector n. + -al suffix¹.

1. Pertaining to a sector.

a. (See sector n. 3.)

ΘΚΠ

the world > relative properties > number > mathematical instruments > [adjective]

sectoral1778

sectorial1803

1778 Philos. Trans. (Royal Soc.) 68 768 In this manner were computed all the differences which were necessary to be found, and placed in their proper squares formed by the meeting of the horizontal and vertical lines, or rings and sectoral spaces, in the following set of..tables.

1828 Moore's Pract. Navigator (ed. 20) 19 The sectoral lines are like so many similar triangles, namely, that their corresponding sides are proportional.

b. (See sector n. 2g.)

ΘΚΠ

the world > relative properties > wholeness > incompleteness > part of whole > [adjective] > relating to or composed of divisions

divisional1846

segmental1854

compartmental1859

segmentary1898

sectoral1969

1969 P. Anderson in A. Cockburn & R. Blackburn Student Power 223 There were various sectoral attacks and refutations of Marx by marginalist economists like Böhm-Bawerk.

1971 Seminar Nov. 12/2 The second..category of English dailies in India is of the more ‘professional’ dailies... Lumped together, they certainly represent what may be called ‘a sectoral monopoly’.

1981 Times 13 Aug. 16/4 In the sectoral breakdown, the statistics show that the banks have increased their support to manufacturing industry.

2. sectoral horn n. (Radio), a horn antenna having a rectangular cross-section and plane sides flared in one dimension only.

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > device receiving signal > antenna for radio waves

aerial wire1899

aerial1902

antenna1902

sectoral horn1939

rhombic1940

1939 W. L. Barrow in Proc. IRE 27 41 A horn whose cross section is rectangular and whose sides flare in one direction only..will be termed a sectoral horn.

1959 K. Henney Radio Engin. Handbk. (ed. 5) xx. 88 The sectoral horn is flared in one dimension only, either in the plane parallel to the electric vector (E plane) or in the plane parallel to the magnetic vector (H plane).

This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022).

单词	sectoral
释义	sectoraladj. Brit. /ˈsɛkt(ə)rəl/, /ˈsɛkt(ə)rl̩/, U.S. /ˈsɛktərəl/, /sɛkˈtɔrəl/ Etymology: < sector n. + -al suffix¹. 1. Pertaining to a sector. a. (See sector n. 3.) ΘΚΠ the world > relative properties > number > mathematical instruments > [adjective] sectoral1778 sectorial1803 1778 Philos. Trans. (Royal Soc.) 68 768 In this manner were computed all the differences which were necessary to be found, and placed in their proper squares formed by the meeting of the horizontal and vertical lines, or rings and sectoral spaces, in the following set of..tables. 1828 Moore's Pract. Navigator (ed. 20) 19 The sectoral lines are like so many similar triangles, namely, that their corresponding sides are proportional. b. (See sector n. 2g.) ΘΚΠ the world > relative properties > wholeness > incompleteness > part of whole > [adjective] > relating to or composed of divisions divisional1846 segmental1854 compartmental1859 segmentary1898 sectoral1969 1969 P. Anderson in A. Cockburn & R. Blackburn Student Power 223 There were various sectoral attacks and refutations of Marx by marginalist economists like Böhm-Bawerk. 1971 Seminar Nov. 12/2 The second..category of English dailies in India is of the more ‘professional’ dailies... Lumped together, they certainly represent what may be called ‘a sectoral monopoly’. 1981 Times 13 Aug. 16/4 In the sectoral breakdown, the statistics show that the banks have increased their support to manufacturing industry. 2. sectoral horn n. (Radio), a horn antenna having a rectangular cross-section and plane sides flared in one dimension only. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > [noun] > device receiving signal > antenna for radio waves aerial wire1899 aerial1902 antenna1902 sectoral horn1939 rhombic1940 1939 W. L. Barrow in Proc. IRE 27 41 A horn whose cross section is rectangular and whose sides flare in one direction only..will be termed a sectoral horn. 1959 K. Henney Radio Engin. Handbk. (ed. 5) xx. 88 The sectoral horn is flared in one dimension only, either in the plane parallel to the electric vector (E plane) or in the plane parallel to the magnetic vector (H plane). This entry has not yet been fully updated (first published 1911; most recently modified version published online March 2022). < adj.1778
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