iris diaphragm
noun
Simple meaning
An adjustable diaphragm by which the diameter of an about circular opening may be controlled.
Pronunciation
Say it like this:
eyeruhsdyuhframSay the bold part a little louder.
IPA pronunciation (US)
ˈaɪɹəsˈdaɪəfɹæm
This word is pronounced essentially the same in American and British English, so one transcription covers both.
IPA (International Phonetic Alphabet) is a standard way of writing speech sounds.
Definition
Everyday modern meanings first, grouped by part of speech.
noun
An adjustable diaphragm by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of movable thin curved plates fastened at regular intervals around the inside of a ring, the positions of which are simultaneously adjusted by a single knob on the outside of the lens. It is used in cameras and microscopes.
Word Aura™
How this word commonly comes across.
This meaning: An adjustable diaphragm by which the diameter of an approximately circular opening may be controlled, as for regulating the aperture of a lens; it consists of a number of movable thin curved plates fastened at regular intervals around the inside of a ring, the positions of which are simultaneously adjusted by a single knob on the outside of the lens. It is used in cameras and microscopes.
Used this way, iris diaphragm is a reasonably familiar word that usually carries little praise or criticism of its own. It usually sounds natural in a wide range of settings.
- Emotional tone
- Neutral
- Formality
- Neutral
- Intensity
- Not strongly marked
- How common
- Moderately common
- Connotation
- Matter-of-fact
- Usage feel
- Neutral and straightforward
Word Aura describes common impressions, not a measurement. Tone changes with sentence, speaker, relationship and situation.
Share your sentence
Use This Word
See how this word sounds in a real sentence.
Ask Vocabaura
Understand the word your way.
What Does It Mean Here?
Words can change meaning depending on context.
Use it yourself
Knowing “iris diaphragm” starts when you use it. Pick a next step, all free.
Dictionary data from Wiktionary via the Free Dictionary API. Simple meanings, combinations and word intelligence are built from verified reference data, no AI is used to load this page.