FOCAL


Meaning of FOCAL in English

/ ˈfəʊkl; NAmE ˈfoʊkl/ adjective

[ only before noun ] central; very important; connected with or providing a focus

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WORD ORIGIN

late 17th cent.: from modern Latin focalis , from Latin focus , or directly from focus .

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.