focal
Pronunciation
  • (RP) IPA: /ˈfəʊ.kl̩/
  • (America) IPA: /ˈfoʊ.kl̩/
Adjective

focal (not comparable)

  1. Belonging to, concerning, or located at a focus
  2. (medicine) limited to a small area
Translations Translations
  • French: focal
  • Italian: focale
  • Portuguese: focal
  • Russian: очаговый
  • Spanish: focal
Noun

focal (plural focals)

    • 1877, James Booth, A Treatise on Some New Geometrical Methods (page 209)
      Again, if the plane of the impressed couple intersects the mean plane between N and C, it will envelope the cone whose focals are ON, ON′, and whose internal axis is therefore OA.



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