focus

IPA（発音記号）

/ˈfəʊ.kəs/

名詞

可算名詞不可算名詞

main purpose or center of interest or activity

日本語の意味

焦点 / 中心 / 重点 / 関心の中心 / 活動の中心 / 主な目的

英語の意味

main purpose or center of interest or activity

シンハラ語

ප්‍රධාන අවධානය / කේන්ද්‍රීය උනන්දුව / මූලික අරමුණ

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When calibrating the lens, make sure the focus is located precisely on the sensor to produce a sharp image.

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レンズを調整するときは、鮮明な画像を得るために焦点がセンサー上に正確に位置するようにしてください。

詳細

意味（1）

(countable, optics) A point at which reflected or refracted rays of light converge.

The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire.

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意味（2）

(countable, geometry) A point of a conic at which rays reflected from a curve or surface converge.

意味（3）

(uncountable, photography, cinematography) The fact of the convergence of light on the photographic medium.

Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus.[…]A photo processing technique called focus stacking has changed that. Developed as a tool to electronically combine the sharpest bits of multiple digital images, focus stacking is a boon to biologists seeking full focus on a micron scale.

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意味（4）

(uncountable, photography, cinematography) The quality of the convergence of light on the photographic medium.

During this scene, the boy’s face shifts subtly from soft focus into sharp focus.

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詳細

意味（5）

(uncountable) Concentration of attention.

I believe I can bring the high degree of focus required for this important job.

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詳細

意味（6）

(countable, seismology) The exact point of where an earthquake occurs, in three dimensions (underneath the epicentre).

The earthquake's focus was at exactly 37 degrees north, 18 degrees south, seventy five meters below the ground.

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意味（7）

詳細

意味（8）

(linguistics) The most important word or phrase in a sentence or passage, or the one that imparts information.

意味（9）

An object used in casting a magic spell.

Candles, in fact, are an essential ingredient in many spells. They can be used as either the focus of the spell or as a component that sets the spell's overall mood and tone.

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