What is aperture? Pronunciation and usage in English

aperture means . Learn how to pronounce and use aperture through vivid examples and easy-to-understand exercises.

Definition & pronunciation of aperture

aperturenoun

/ˈæpətʃə(r)//ˈæpərtʃʊr/

Okay, let's break down how to pronounce "aperture" in English. It’s a tricky one! Here's a breakdown:

The most common and accepted pronunciation is:

  • uh-PUR-chur

Let's break it down further:

  • uh: Like the "uh" in "about" or "up." (a short, unstressed vowel)
  • PUR: Rhymes with "pure" or "sure." The emphasis is on this syllable.
  • chur: This is where it gets tricky. It’s a soft "ch" sound, like in the word "chair," but shorter and less emphasized. It's almost like a quick "ch" followed by a very slight "r" sound. Don’t overemphasize the "r."

Here's a breakdown of what not to do:

  • Don't say "ap-er-ture": This is a very common mistake. The "er" sound doesn't exist in this word.
  • Don't make it sound like "a-pert-ure": The stress needs to be on the second syllable.

Resources for Hearing it:

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  • Specifically focus on a particular aspect of the pronunciation (e.g., the "chur" sound)?

Usage and examples with the word aperture in English

Let's break down how to use the word "aperture" correctly in English. It's a surprisingly specific term, and understanding its context is key.

1. What is Aperture?

At its core, "aperture" refers to an opening – a hole or gap. However, in photography and optics, it has a very particular meaning.

  • In Photography: Aperture is the adjustable opening within a camera lens that controls the amount of light that passes through to the camera sensor. It's measured in f-stops (like f/2.8, f/5.6, f/11, f/22).

  • In Optics (General): More broadly, aperture refers to the opening in any lens, telescope, or optical instrument that allows light to pass through.

2. How to Use It in a Sentence (Photography Focus):

Here's how you'd typically use "aperture" when talking about photography:

  • "The photographer used a wide aperture (like f/2.8) to create a shallow depth of field, blurring the background." (This means the hole in the lens was large, letting in a lot of light and blurring the background.)
  • "A smaller aperture (like f/16) provides a greater depth of field, keeping more of the image in focus." (Here, the hole is smaller, letting in less light and keeping everything sharp.)
  • "Adjusting the aperture controls the exposure – a wider aperture lets in more light, requiring a shorter shutter speed."
  • "He was struggling with the exposure because his aperture was too closed down (too small)."

3. Key Concepts Related to Aperture:

  • f-stops: These are not fractions. f/2.8 is not 1/14. They're ratios. A wider aperture (smaller f-number like f/1.8) has a larger opening than a smaller aperture (larger f-number like f/16). The lower the f-number, the more light enters.

  • Depth of Field: This refers to the area of the image that appears in focus. A wider aperture creates a shallow depth of field (background is blurry), while a narrower aperture creates a greater depth of field (more of the image is in focus).

  • Exposure Triangle: Aperture is one of the three elements of the exposure triangle (along with shutter speed and ISO). They all work together to determine how bright or dark a photo is.

4. Using It in Other Contexts (Less Common):

While primarily used in photography, “aperture” can occasionally be used in more general contexts of describing openings:

  • "The doorway had a narrow aperture." (Meaning a small opening)
  • "The telescope's aperture is extremely large, allowing it to collect a huge amount of light." (Referring to the lens opening in a telescope)

5. Common Mistakes to Avoid:

  • Don't say "f-aperture." It's incorrect. "Aperture" is the noun; "f-stop" is the measurement.
  • Don't use it casually. It's a specialized term. If you're not talking about photography or optics, it’s probably best to use a simpler word like "opening" or "hole."

Resources for Further Learning:

Do you want me to:

  • Give you some more examples of using "aperture" in sentences?
  • Explain how aperture affects exposure in more detail?
  • Discuss how aperture relates to other photographic concepts (like ISO and shutter speed)?

Synonyms for the word aperture

Idioms of the word aperture

have/want none of something
to refuse to accept something
  • I offered to pay but he was having none of it.
  • They pretended to be enthusiastic about my work but then suddenly decided they wanted none of it.
none but
(literary)only
  • None but he knew the truth.
none the less
despite this fact
    none other than
    used to emphasize who or what somebody/something is, when this is surprising
    • Her first customer was none other than Mrs Obama.

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