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Definition of diaphragm
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
3a : a more or less rigid partition in the body or shell of an invertebrateb : 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
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Recent Examples of diaphragm from the Web
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She was taken to Advocate Christ Medical Center in Oak Lawn, where she was treated for damage to her spleen, diaphragm and colon, Carlson said.
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The impact had pushed her stomach up into her chest cavity, causing a lung to collapse and tearing her abdomen, diaphragm and other internal organs.
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A less intense DIY version of the breathing regimen goes something like this: Inhale deeply from the diaphragm, then exhale slowly and fully.
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The diaphragm outside of its mouth has since deflated, Boothe said.
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In a relatively rare sighting, a dead minke whale, with its diaphragm pushed outside of its mouth, washed ashore Sunday on Long Beach Peninsula, Pacific County, about a quarter mile north of Klipsan Beach Approach.
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That man inspired me all my life to get my voice crisper, get my diaphragm harder, use less air and just spit it out.
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The teen suffered damage to a kidney, his liver and his diaphragm, authorities said.
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When Okwui Okpokwasili speaks, let alone laughs, the sound comes from a deep place—from her diaphragm, certainly, but also from her history, which is as profound and complicated as the performer herself.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'diaphragm'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of diaphragm
Middle English diafragma, from Late Latin diaphragma, from Greek, from diaphrassein to barricade, from dia- + phrassein to enclose
Other Anatomy Terms
DIAPHRAGM Defined for English Language Learners
diaphragm
playDefinition of diaphragm for English Language Learners
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medical : a large flat muscle that separates the lungs from the stomach area and that is used in breathing
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: a device that controls the amount of light passing through the lens of a camera
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: a device shaped like a cup that is placed in the vagina to prevent pregnancy
DIAPHRAGM Defined for Kids
diaphragm
playDefinition of diaphragm for Students
1 : a muscular wall that separates the lungs from the stomach area and assists in breathing in
2 : a thin disk (as in a microphone) that vibrates when sound strikes it
Medical Dictionary
diaphragm
playMedical Definition of diaphragm
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
Illustration of diaphragm
Learn More about diaphragm
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See words that rhyme with diaphragm Spanish Central: Translation of diaphragm Nglish: Translation of diaphragm for Spanish speakers Britannica English: Translation of diaphragm for Arabic speakers Britannica.com: Encyclopedia article about diaphragm
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