quadranticadj.

Brit.

/kwɒˈdrantɪk/, U.S.

/kwɑˈdræn(t)ɪk/

Origin: Formed within English, by derivation. Etymons: quadrant n.¹, -ic suffix.

Etymology: < quadrant n.¹ + -ic suffix. With sense 1 compare earlier quadrantal adj.¹ 1b.

†1. = quadrantal adj.¹ 1b. Obsolete. rare.

ΘΚΠ

the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > of or resembling part of circle

quadrantal1674

quadrantile1721

segmental1815

segmentary1853

quadrantic1856

1856 P. H. Gosse in Philos. Trans. (Royal Soc.) 146 442 The quadrantic masses approach each other and recede.

2. Medicine. Involving or consisting of one quarter of the visual field.

ΘΚΠ

the world > physical sensation > sight and vision > [adjective] > parts of visual field

quadrantic1885

quadrantal1914

1885 W. R. Gowers Lect. Diagnosis Dis. Brain & Spinal Cord xiii. 172 Small lesions may cause a loss of only part of the half-field, e.g., a quadrantic defect.

1914 Trans. Ophthalmol. Soc. 34 212 Lower quadrantic right hemianopsia of four years standing.

1938 S. Duke-Elder Text-bk. Ophthalmol. II. xxix. 1228 If the sector defect is bounded by vertical and horizontal radii, the defect is called quadrantic anopia.

1976 Lancet 6 Nov. 1007/1 Neurological signs are absent—with the occasional exception of an isolated sixth-nerve palsy or an inferior-nasal quadrantic visual-field defect.

2006 Lancet 1 Apr. 1091/2 (caption) A superior left quadrantic visual field defect was noted after surgery.

This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022).

单词	quadrantic
释义	quadranticadj. Brit. /kwɒˈdrantɪk/, U.S. /kwɑˈdræn(t)ɪk/ Origin: Formed within English, by derivation. Etymons: quadrant n.¹, -ic suffix. Etymology: < quadrant n.¹ + -ic suffix. With sense 1 compare earlier quadrantal adj.¹ 1b. †1. = quadrantal adj.¹ 1b. Obsolete. rare. ΘΚΠ the world > relative properties > number > geometry > shape or figure > [adjective] > two-dimensional > of or resembling part of circle quadrantal1674 quadrantile1721 segmental1815 segmentary1853 quadrantic1856 1856 P. H. Gosse in Philos. Trans. (Royal Soc.) 146 442 The quadrantic masses approach each other and recede. 2. Medicine. Involving or consisting of one quarter of the visual field. ΘΚΠ the world > physical sensation > sight and vision > [adjective] > parts of visual field quadrantic1885 quadrantal1914 1885 W. R. Gowers Lect. Diagnosis Dis. Brain & Spinal Cord xiii. 172 Small lesions may cause a loss of only part of the half-field, e.g., a quadrantic defect. 1914 Trans. Ophthalmol. Soc. 34 212 Lower quadrantic right hemianopsia of four years standing. 1938 S. Duke-Elder Text-bk. Ophthalmol. II. xxix. 1228 If the sector defect is bounded by vertical and horizontal radii, the defect is called quadrantic anopia. 1976 Lancet 6 Nov. 1007/1 Neurological signs are absent—with the occasional exception of an isolated sixth-nerve palsy or an inferior-nasal quadrantic visual-field defect. 2006 Lancet 1 Apr. 1091/2 (caption) A superior left quadrantic visual field defect was noted after surgery. This entry has been updated (OED Third Edition, December 2007; most recently modified version published online March 2022). < adj.1856
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