Last Updated:2025/08/23
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(光学) 焦点 (光線が収束する点) / (幾何学) 焦点 (円錐曲線上で曲線または面から反射された光線が収束する点) / (写真) 焦点 (写真媒体上の光の収束) / (疫学) 病気の伝染源
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Source Word
foco
IPA(Pronunciation)
Noun
masculine
regional
光学における焦点や集中点、また比喩的な「重点」「フォーカス」を表す名詞。
English Meaning
(optics) focus (point at which rays of light converge) / (geometry) focus (point of a conic at which rays reflected from a curve or surface converge) / (photography) focus (convergence of light on the photographic medium) / (epidemiology) the source of transmission of a disease
( plural )