conicaladj.
/ˈkɒnɪkəl/ 1. Having the form of a cone; cone-shaped.
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the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > conical
pineatea1400
conical1570
conic1614
cone-like1665
sugar-loafed1702
top-like?1711
coniformc1790
extinguisher-shaped1840
cone-shaped1851
coned1878
extinguisher-like1881
piniform1890
the world > relative properties > number > geometry > shape or figure > [adjective] > three-dimensional > conical
conic1570
conical1570
conoidal1571
1570 H. Billingsley tr. Euclid Elements Geom. xi. f. 317v A Conicall superficies.
1653 H. More Conjectura Cabbalistica 115 That determinate Conical shaddow of the Earth, which is Night.
1677 R. Plot Nat. Hist. Oxford-shire 323 Burial under Conical hillocks..was sure very ancient.
1799 J. Robertson Gen. View Agric. Perth 569 The conical summit is covered with grass.
1828 J. Stark Elements Nat. Hist. I. 448 Jaws armed with a row of conical teeth.
1878 T. H. Huxley Physiography (ed. 2) 189.
1880 A. Gray Struct. Bot. iii. §1. 31 (note) Taproots are said..to be..Conical, when tapering regularly..as in carrots.
2. Of, pertaining, or relating to a cone. conical point: a singular point on a surface at which the tangent lines form a cone. †conical section (also conical line): = conic adj. section (obsolete). conical projection: a method of projection (in maps, etc.) in which a part of a spherical surface is projected upon the surface of a tangent or secant cone which is then ‘developed’ or unrolled into a plane. conical perspective: that in which objects are delineated as if projected upon the surface of a vertical cone from a point in its axis, the surface being then unrolled into a plane. conical refraction: refraction in which a ray is converted into a hollow cone of light.
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the world > relative properties > number > geometry > curve > [noun] > conic section
conical section (also conical line)1570
conic section1570
subcontrary1842
conic1863
the world > space > shape > curvature > curved three-dimensional shape or body > [adjective] > conical > of or relating to cone
conic1570
conical1570
the world > relative properties > number > geometry > point > [noun] > on a surface or plane
conical point1812
umbilicus1841
stigma1863
binode1869
branch-point1878
saddle point1907
saddle1952
1570 J. Dee in H. Billingsley tr. Euclid Elements Geom. Math. Præf. sig. ciiijv By Wheles..Conicall Section lines..at pleasure, may be drawen.
1625 N. Carpenter Geogr. Delineated ii. v. 70 By a conicall line, we vnderstand a crooked line which differs from a..circle, in as much as it keeps not alwaies an æquall distance, from the center.
1664 H. Power Exper. Philos. Pref. sig. C2v What the Theorists in Conical sections demonstrate.
1665 Philos. Trans. (Royal Soc.) 1 105 This motion is Conical and..by the Conick path all the Phænomena of Comets can be readily solved.
1812 R. Woodhouse Elem. Treat. Astron. xxxv. 336 At the extremity, or conical point of the Earth's shadow.
1866 R. A. Proctor Handbk. Stars 32 To form separate maps of small parts of the heavens..no method combines simplicity of construction with correctness so satisfactorily as the conical projection.
1871 J. Tyndall Fragm. Sci. (ed. 6) II. viii. 107 As in the case of Conical Refraction..it actually forces upon our attention phenomena which no other eye had previously seen.
1874 G. Salmon Treat. Analytic Geom. Three Dimensions (ed. 3) 215 Through a conical point on a surface can be drawn an infinity of lines which will meet the surface in 3 coincident points, and these will all be on a cone of the second degree.
1884 C. Smith Solid Geom. §207 When the tangent lines at any point of a surface form a cone, the point is called a conical point.
Compounds
C1. conical-shaped, adj.
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1868 Queen Victoria Jrnl. 145 A curious conical-shaped hill.
C2.
conical papilla n. Anatomy (a) a type of lingual papilla; (b) any of various other papillae that are conical in shape.
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1849–52 Todd's Cycl. Anat. & Physiol. IV. ii. 860/1 Gustative papillæ... The lingual papillæ are either simple or compound... The latter are of three kinds, the circumvallate or calyciform, the fungiform, and the conical [or filiform].
1888 G. Rolleston & W. H. Jackson Forms Animal Life (ed. 2) 551 [In Holothurioidea] The tube feet are either partially or completely retractile, and furnished with a terminal disc..or they are conical papillæ without discs.
conical pendulum n. a pendulum so contrived that the bob revolves in a circle, the rod thus describing a cone.
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the world > time > instruments for measuring time > clock > [noun] > pendulum clock > pendulum
pendule1660
pendulum1660
simple pendulum1673
bob-pendulum1685
swing1696
quicksilver pendulum1726
pendle1741
gridiron pendulum1751
mercurial pendulum1786
gridiron1793
wanrest1794
seconds pendulum1795
conical pendulum1813
ticker1821
noddy1844
the world > space > relative position > support > hanging or suspension > [noun] > that which hangs or is suspended > a pendulum > types of
compound pendulum1723
simple pendulum1728
inverted pendulum1773
horizontal pendulum1775
conical pendulum1813
spherical pendulum1862
the world > movement > motion in specific manner > alternating or reciprocating motion > oscillation > [noun] > swinging or oscillation of suspended body > that which > pendulum > types of
compound pendulum1723
simple pendulum1728
inverted pendulum1773
horizontal pendulum1775
conical pendulum1813
spherical pendulum1862
1813 J. M. Good et al. Pantologia at Pendulum The conical or circular pendulum, is so called from the figure described by the string or ball of the pendulum.
1871 P. G. Tait & W. J. Steele Dynamics of Particle (ed. 3) §208 The Conical Pendulum, as it is called, when the particle moves in a horizontal plane and therefore in a circular path, the string describing a right circular cone whose axis is vertical.
conical pulley n. = cone-pulley n. at cone n.1 Compounds 2.
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1890 Cent. Dict. at Pulley n. Conical pulley.
This entry has not yet been fully updated (first published 1891; most recently modified version published online June 2022).
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adj.1570