focal

Relating to the center or most important point of something.

ruОтносящийся к центру или наиболее важной точке чего-либо.esRelativo al foco o a la zona central, o que se refiere al punto más importante o clave de algo.frQui se rapporte à un point central, à l'élément le plus important ou décisif de quelque chose.deDen Brennpunkt oder Mittelpunkt betreffend; bezogen auf den zentralen oder wichtigsten Punkt einer Sache.ptRelativo ao centro, ao ponto principal ou mais importante de algo.zh指与中心或最重要之点相关的；也指关键的、主要的。arيشير إلى المركز أو النقطة الأكثر أهمية في شيء ما.

1. Central or main B2 formal

   Relating to the center or most important point of something.

   • The focal point of the room is the large fireplace.
   • Her speech was the focal moment of the conference.
   • The focal issue in the debate was climate change.

   ruЦентральный или главныйesCentral o principalfrcentral, principaldeZentral oder Haupt-ptCentral ou principalzh核心的或主要的arمركزي أو رئيسي

   Синонимы: centralchiefcorekeymainprimaryprincipal

   Антонимы: marginalminorperipheralsecondarysubsidiary

2. Optics C1 formal scientific

   Relating to the focus of a lens or optical instrument.

   • The focal length of this lens is 50 millimeters.
   • Adjust the focal distance to get a clearer image.
   • The microscope's focal plane must be calibrated carefully.

   ruФокальныйesFocal (relativo al foco óptico)frRelatif au foyer d'un instrument optiquedefokalptFocalzh焦点的arبؤري

• more focal comparative form
• most focal superlative form