Czech

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Etymology

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Inherited from Proto-Slavic *ognisko. By surface analysis, oheň (fire) +‎ -isko.

Pronunciation

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  • IPA(key): [ˈoɦɲɪsko]
  • Rhymes: -ɪsko
  • Hyphenation: ohni‧s‧ko

Noun

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ohnisko n (related adjective ohniskový)

  1. (optics) focus, focal point (point at which reflected or refracted rays of light converge)
    Synonym: fokus
  2. (geometry) focus (point of a conic at which rays reflected from a curve or surface converge)
    Synonym: fokus

Declension

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Further reading

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  • ohnisko”, in Příruční slovník jazyka českého (in Czech), 1935-1957
  • ohnisko”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
  • ohnisko”, in Internetová jazyková příručka (in Czech)