B2 adverb ニュートラル

aperture

/ˈæp.ə.tʃər/

An opening, hole, or gap, particularly one that allows light to pass through. In technical contexts like photography, it specifically refers to the adjustable opening in a lens that regulates the amount of light reaching the sensor.

例文

3 / 5
1

The sunlight streamed through a small aperture in the cave wall.

Light came through a little hole in the side of the cave.

2

The experiment required a precise circular aperture to focus the laser beam.

The scientific test needed an exact round opening to aim the laser.

3

Please ensure the aperture of the ventilation shaft is not obstructed.

Make sure the opening for the air vent is not blocked.

語族

名詞
aperture
形容詞
apertural
関連
opening
💡

覚え方のコツ

Think of 'A Part Here'—there is 'a part' of the surface missing, creating a hole.

クイックテスト

To capture more light in a dark room, the photographer chose a ____ aperture.

正解!

正解は: wide

例文

1

The sunlight streamed through a small aperture in the cave wall.

everyday

Light came through a little hole in the side of the cave.

2

The experiment required a precise circular aperture to focus the laser beam.

academic

The scientific test needed an exact round opening to aim the laser.

3

Please ensure the aperture of the ventilation shaft is not obstructed.

formal

Make sure the opening for the air vent is not blocked.

4

I used a wide aperture for the portrait to get that blurry background effect.

informal

I opened the camera lens wide to make the background look soft.

5

Our new optical sensors feature an expanded aperture for better low-light performance.

business

Our latest sensors have a larger opening to work better in the dark.

語族

名詞
aperture
形容詞
apertural
関連
opening

よく使う組み合わせ

wide aperture a large opening in a lens
narrow aperture a small opening in a lens
aperture setting the specific adjustment of a camera lens
adjust the aperture to change the size of the opening
circular aperture a round-shaped hole or opening

よく使うフレーズ

maximum aperture

the largest possible opening a lens can achieve

aperture priority

a camera mode where the user sets the aperture and the camera does the rest

numerical aperture

a measure of the range of angles over which a system can accept light

よく混同される語

aperture vs orifice

Orifice usually refers to an opening in the body (mouth, nose), while aperture is used for mechanical or physical gaps.

aperture vs shutter

The shutter is the 'door' that opens and closes for a duration of time, whereas the aperture is the 'size' of the hole.

📝

使い方のコツ

Aperture is most commonly used in photography and optics. While it can mean any hole, using it for a simple hole in a shirt might sound overly technical or strange.

⚠️

よくある間違い

Learners often think a 'higher' f-number (like f/22) means a larger aperture, but it actually means a smaller opening.

💡

覚え方のコツ

Think of 'A Part Here'—there is 'a part' of the surface missing, creating a hole.

📖

語源

Derived from the Latin 'apertura', which comes from 'aperire', meaning 'to open'.

文法パターン

Countable noun Commonly used with the definite article 'the' in technical contexts Plural form: apertures
🌍

文化的な背景

Crucial term in photography culture, often discussed by hobbyists regarding 'bokeh' (the aesthetic quality of the blur).

クイックテスト

To capture more light in a dark room, the photographer chose a ____ aperture.

正解!

正解は: wide

関連単語

homovestency

C1

Refers to the practice or state of wearing clothing that corresponds to one's own biological sex or gender identity. It is a technical term used primarily in psychological and sociological contexts to distinguish traditional dressing habits from cross-dressing or transvestism.

binavent

C1

To divide a single process, stream, or strategy into two distinct but parallel channels or outcomes. It is primarily used in technical or procedural contexts to describe the intentional and strategic splitting of resources or workflows to increase efficiency or manage complexity.

subclamious

C1

Describing a sound or environment that is moderately noisy or somewhat clamorous. It refers to a level of vocalization or background noise that is audible and potentially disruptive but falls short of a full, overwhelming clamor.

autographhood

C1

The state, quality, or condition of being an autograph or a handwritten original document. It refers to the status of a text or signature as having been personally inscribed by the individual it is attributed to.

prologcide

C1

Describing an action, policy, or mindset that involves the intentional destruction, removal, or bypassing of a prologue or introductory phase. It characterizes anything that seeks to eliminate the 'start' to reach the core or conclusion immediately.

inlegal

C1

A non-standard or archaic variation of the word 'illegal', referring to actions or conditions that are prohibited by law or official regulations. In modern English, it is primarily used as a distractor in language proficiency tests or found in non-native speech before prefix assimilation occurs.

hyperfacsion

C1

Describing a state of extreme fragmentation or division within a group, organization, or political body into numerous, often hostile, competing factions. It implies a level of discord where constructive cooperation is paralyzed by excessive micro-divisions.

dispetism

C1

To engage in a systematic and often petty rejection of established norms or authoritative directives. It describes the act of obstructing progress through deliberate non-compliance or by treating formal requirements with calculated contempt.

interautoite

C1

To automatically synchronize or integrate multiple autonomous systems or self-regulating processes into a unified whole. It is used to describe the seamless interaction between independent units that function without external intervention.

autolaudible

C1

Describing speech, writing, or behavior that is characterized by self-praise or self-commendation. It refers to the act of highlighting one's own merits or achievements, often used in a critical sense to imply vanity.

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