diaphragm
noun
di·a·phragm
ˈdī-ə-ˌfram 
1
: a body partition of muscle and connective tissue
specifically
: the partition separating the chest and abdominal cavities in mammals
2
: a dividing membrane or thin partition especially in a tube
3
a
: a more or less rigid partition in the body or shell of an invertebrate
b
: a transverse septum in a plant stem
4
: a device that limits the aperture of a lens or optical system compare iris diaphragm
5
: a thin flexible disk (as in a microphone or loudspeaker) that vibrates when struck by sound waves or that vibrates to generate sound waves
6
: a molded cap usually of thin rubber fitted over the uterine cervix to act as a mechanical contraceptive barrier
Examples of diaphragm in a Sentence
Recent Examples on the Web
The diaphragm then undergoes another round of baking and molding, resulting in a final thickness of about 0.1mm.
—
Mark Sparrow, Forbes, 20 Oct. 2024
As your diaphragm and rib muscles contract, your lungs fill with air.
—Jenny Sweigard, Verywell Health, 1 July 2024
The drivers are designed to deliver the purest sound with realistic sound staging and imaging as each diaphragm movement translates into an instant sound with frequencies not being artificially produced nor enhanced with acoustic cavities and resonance.
—Mark Sparrow, Forbes, 25 Oct. 2024
Hill suggests deep breathing from your diaphragm or picking a color and describing objects of that color in your surroundings.
—Allie Volpe, Vox, 7 Dec. 2018
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Mark Sparrow, Forbes, 20 Oct. 2024
As your diaphragm and rib muscles contract, your lungs fill with air.
—Jenny Sweigard, Verywell Health, 1 July 2024
The drivers are designed to deliver the purest sound with realistic sound staging and imaging as each diaphragm movement translates into an instant sound with frequencies not being artificially produced nor enhanced with acoustic cavities and resonance.
—Mark Sparrow, Forbes, 25 Oct. 2024
Hill suggests deep breathing from your diaphragm or picking a color and describing objects of that color in your surroundings.
—Allie Volpe, Vox, 7 Dec. 2018
See all Example Sentences for diaphragm
Dictionary Entries Near diaphragm
Cite this Entry
“Diaphragm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/diaphragm. Accessed 28 Nov. 2024.
Copy CitationKids Definition
diaphragm
noun
di·a·phragm
ˈdī-ə-ˌfram
1
: a sheet of muscle that separates the cavities of the chest and abdomen in mammals
2
: a device that limits the size of an opening in order to control the amount of light passing through a lens (as of a camera or microscope)
3
: a thin flexible disk that vibrates (as in a microphone)
4
: a cup-shaped device usually of thin rubber that fits over the cervix of the uterus and acts to prevent pregnancy by keeping sperm from reaching the egg
Medical Definition
diaphragm
noun
di·a·phragm
ˈdī-ə-ˌfram
1
: a body partition of muscle and connective tissue
specifically
: the partition separating the chest and abdominal cavities in mammals see pelvic diaphragm, urogenital diaphragm
2
: a device that limits the aperture of a lens or optical system
3
: a molded cap usually of thin rubber fitted over the uterine cervix to act as a mechanical contraceptive barrier
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