3 syllables: Ap, er, ture. Stress on Ap.
AP-ur-chur
/ˈæpɚtʃɚ/
Aperture is pronounced AP-ur-chur (/ˈæpɚtʃɚ/). It has three syllables (Ap-er-ture), with the stress on "Ap". Aperture is a noun meaning an opening or gap, especially one that allows light or energy to enter a device or space. In optics, it refers to the adjustable opening in a camera or telescope that controls light. The term also appears in general contexts to denote any passage or opening. It is pronounced with the stress on the first syllable.
nounAperture is a noun meaning an opening or gap, especially one that allows light or energy to enter a device or space. In optics, it refers to the adjustable opening in a camera or telescope that controls light. The term also appears in general contexts to denote any passage or opening. It is pronounced with the stress on the first syllable.
- Confusing /æ/ vs /eɪ/ in the first syllable: keep it as short, open /æ/ rather than a long /eɪ/; practice with minimal pairs like /æp/ vs /eɪp/ to reinforce contrast. - Slurring the /t/ before the /tʃ/: ensure a distinct /t/ stop before /tʃ/; practice with slow, three-part transitions: /æ/ + /p/ + /tʃ/; loop drills to cement timing. - Over-reducing the final /ər/ into a pure /ər/: maintain a light rhotic or non-rhotic ending depending on accent; practice with an explicit /ər/ or /ə/ depending on target. - Common mispronunciation as /əˈpɜːtʃə/ or /ˈæpə(r)tʃər/ due to misplacement of the schwa; use a precise schwa in the second syllable and keep the /t/ moving. - Final consonant clarity: speakers sometimes drop or soften the /t/ before /tʃ/; do a two-step touch: release /p/ then a crisp /t/ before /tʃ/.
How to Pronounce Aperture
"The camera's aperture setting determines how bright the photo will be."
"Scientists studied the aperture of the human eye under different lighting conditions."
"The telescope's aperture size affects resolution and light gathering."
Pronounce as /ˈæpərtʃər/ in US and UK accents. The first syllable bears primary stress: 'AP-ər-' and the final '-ture' sounds like 'ter' with an 'ch' fused: /tʃər/. Mouth position: start with a open central vowel in the first syllable, then a light, rounded /ə/ in the second, and finish with /tʃər/. In connected speech, you may hear a subtle reduction to /ˈæpərtʃə/ if spoken quickly. Audio reference: aim for a clean stop before the /tʃ/ cluster and avoid inserting extra vowels.
Common errors include blending the /t/ and /tʃ/ into a slow /tʃ/ or misplacing the /ɜ/ sound, resulting in /ˈæpərtʃɜr/ or /ˈæpɚtʊr/. Another frequent mistake is reducing the second syllable too much, producing /ˈæpərtʃər/ with a weaker /ə/ or omitting the /t/ entirely. To correct: articulate the /t/ clearly before the /tʃ/ sequence, keep the /ə/ as a distinct schwa, and avoid turning /tər/ into /ər/ without the 't' stop. Practice slow, precise enunciation of /t/ followed by /tʃ/.
In US English, the initial vowel is /æ/ and the final syllable often reduces to /ər/ with a rhotic ending: /ˈæpərtʃər/. UK English tends to maintain a less rhotic final, sometimes /ˈæpə(t)ʃə/ with a lighter /tʃə/; some speakers may reduce the final /ər/ to /ə/. Australian English is similar to UK but with more centralized vowels in the second syllable, giving /ˈæpə(t)tʃə/ or /ˈæpəɹtʃə/ depending on speaker. Focus on keeping the /tʃ/ clear and the final /ər/ or /ə/ depending on rhotic tendency.
The difficulty lies in the /pɚ/ cluster followed by the /tʃ/ sequence, which requires precise voicing and timing: a crisp /p/ release, a quick schwa, and a rapid /tʃ/ onset without adding an extra vowel. Many speakers front the /æ/ too long, or merge /t/ into /d/ in rapid speech. Concentrate on a clean stop release for /p/, then immediately glide into /tʃ/ with the following schwa, keeping air flow steady to avoid a muffled ending.
A distinctive feature is the /ptʃ/ cluster at the boundary between the first and second syllables. This digraph-like cluster requires a crisp stop between /p/ and /t͡ʃ/, rather than merging into a single affricate. Practicing with slow tempo helps you separate the /p/ release from the /tʃ/ onset. Ensure you don’t vocalize an extra vowel between /p/ and /tʃ/ and maintain a steady, even flow into the final /ər/.
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- US: rhotic final; keep /ər/ with a full rhotic vowel; ensure the /æ/ is short and fronted; /tʃ/ is a strong affricate transition after /t/. - UK: non-rhotic tendency; the final could be /ə/ or /ər/ depending on speaker; keep /æ/ close to /æ/ and place less emphasis on the rhotic /r/; ensure the /tʃ/ is crisp. - AU: often intermediate; /æ/ slightly lower and /ə/ more centralized; maintain crisp /p/ release and /tʃ/ onset; final vowel may be very centralized or reduced. - General tip: practice with IPA guides, record yourself, and compare to reference pronunciations for aural feedback.
Aperture comes from the Latin aperture meaning 'an opening, disclosure', from aperire 'to open'. The form entered English via Old French and Medieval Latin, evolving from the Latin aperire and the noun aperture as a specialized term in optics and engineering. The root aperire literally means 'to open', and the suffix -ture marks the result or place of an action, aligning with other English nouns such as aperture, fissure, or rupture. In Middle English, the term was used in more general senses of an opening but gained technical precision with the rise of optical instrumentation in the 17th-19th centuries, where cameras, telescopes, and microscopes required a defined, adjustable opening. Over time, aperture became a standard technical noun in science and photography, maintaining its core sense of an opening that controls passage. First known uses appear in scholastic artworks and engineering treatises that describe openings in lenses and mechanical devices, with the term becoming widespread in modern physics, optics, and photography literature. The concept is tightly linked to the Latin root aperire and the concept of enabling light to pass through a boundary, reflecting the functional essence that persists in contemporary usage.
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Words that rhyme with "Aperture"
-ure sounds
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