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''conical'' ▫ᴱᴺ|Definition|1st|20260605232103-00-⌔

conical - Wiktionary, the free dictionary

English

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Adjective

conical (comparative more conical, superlative most conical)

  • (geometry) Of or relating to a cone or cones.
    • ✤ Synonyms: conal, conic
    • He anſwers, That this Motion is Conical; and judgeth, that by the Conick path all the Phænomena of Comets can, without any inconveniency, be readily ſolved; even of that, which (by Hiſtory) in fifty days, paſſed through more then the 12 Signs of the Zodiack; And of that, which in two days run through eight Signs: and of another, which in 48 days poſted through all the Signs, contra ſeriem.1
  • Shaped like a cone.
    • ✤ Synonym: conic
    • IN Planes neither equinoctiall nor polar, the equator will be a right line, the tropiques and other parallels of declination will be conicall ſections, ſome of them parabolicall, ſome ellipticall, but the moſt of them hyperbolicall.2
  • (cartography) Describing a map projection in which meridians are mapped to equally spaced lines radiating out from the apex and parallels of latitude are mapped to circular arcs centred on the apex.
    • ✤ Synonym: conic

Noun

conical (plural conicals)

  • (firearms) A cone-shaped bullet.

Etymology

From conic + -al.

Pronunciation

  • Hyphenation: con‧ic‧al

enPR: kŏn’ĭkəl

  • IPA: /ˈkɒn.ɪ.kəl/(Received Pronunciation)
  • IPA: /ˈkɔn.ɪk.əl/(Standard Southern British, Australian)
  • Audio (Southern England): 🔊

enPR: kä’nĭkəl (father-bother merger)

  • IPA: /ˈkɑ.nɪk.əl/(General American)
  • Audio (US): 🔊

enPR: kō’nĭkəl (without laxing from cone)

  • IPA: /ko.nɪk.ɐl/(South Asia)

Printed 2026-06-28.

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Footnotes

  1. 1665 November 6, “An Account of Hevelius his Prodromus Cometicus, together with some Animadversions made upon it by a French Philosopher”, in Henry Oldenburg, editor, Philosophical Transactions, volume I, number 6:

  2. 1624, Edmund Gunter, chapter XIII, in The Description and Vse of the Sector, London: Williã Jones, page 149:

Link to original

Secondary

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