diaphragm


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Related to diaphragm: Diaphragm pump, Diaphragm valve, Diaphragm breathing, Diaphragm muscle

di·a·phragm

 (dī′ə-frăm′)
n.
1. Anatomy A muscular membranous partition separating the abdominal and thoracic cavities and functioning in respiration. Also called midriff.
2. A membranous part that divides or separates.
3. A thin disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electric signals, or that vibrates in response to electric signals to produce sound waves.
4. A contraceptive device consisting of a thin flexible disk, usually made of rubber, that is designed to cover the uterine cervix to prevent the entry of sperm during sexual intercourse.
5. A disk having a fixed or variable opening used to restrict the amount of light traversing a lens or optical system.

[Middle English diafragma, from Late Latin diaphragma, midriff, from Greek, partition, from diaphrassein, to barricade : dia-, intensive pref.; see dia- + phrassein, phrag-, to enclose.]

di′a·phrag·mat′ic (-frăg-măt′ĭk) adj.
di′a·phrag·mat′i·cal·ly adv.

diaphragm

(ˈdaɪəˌfræm)
n
1. (Anatomy) anatomy any separating membrane, esp the dome-shaped muscular partition that separates the abdominal and thoracic cavities in mammals.
2. (Gynaecology & Obstetrics) a circular rubber or plastic contraceptive membrane placed over the mouth of the uterine cervix before copulation to prevent entrance of sperm
3. any thin dividing membrane
4. (Photography) Also called: stop a disc with a fixed or adjustable aperture to control the amount of light or other radiation entering an optical instrument, such as a camera
5. (Telecommunications) a thin disc that vibrates when receiving or producing sound waves, used to convert sound signals to electrical signals or vice versa in telephones, etc
6. (Chemistry) chem
a. a porous plate or cylinder dividing an electrolytic cell, used to permit the passage of ions and prevent the mixing of products formed at the electrodes
b. a semipermeable membrane used to separate two solutions in osmosis
7. (Botany) botany a transverse plate of cells that occurs in the stems of certain aquatic plants
[C17: from Late Latin diaphragma, from Greek, from dia- + phragma fence]
diaphragmatic adj
ˌdiaphragˈmatically adv

di•a•phragm

(ˈdaɪ əˌfræm)

n.
1. a wall of muscle and connective tissue separating two cavities, esp. the partition separating the thoracic cavity from the abdominal cavity in mammals.
2.
a. a porous plate separating two liquids.
b. a semipermeable membrane.
3. a thin disk that vibrates when receiving or producing sound waves, as in a telephone or microphone.
4. a thin, dome-shaped device usu. of rubber for wearing over the uterine cervix during sexual intercourse to prevent conception.
5. a plate with a hole in the center or a ring that is placed on the axis of an optical instrument, as a camera, and that controls the amount of light entering the instrument.
v.t.
6. to furnish with a diaphragm.
[1350–1400; < Late Latin diaphragma < Greek diáphragma the diaphragm, midriff =dia- dia- + phrágma a fence]
di`a•phrag•mat′ic (-frægˈmæt ɪk) adj.
di`a•phrag•mat′i•cal•ly, adv.

di·a·phragm

(dī′ə-frăm′)
1. A muscle that separates the chest cavity from the abdominal cavity. As the diaphragm contracts and expands, it forces air into and out of the lungs.
2. A thin, flexible disk, especially in a microphone or telephone receiver, that vibrates in response to sound waves to produce electrical signals, or that vibrates in response to electrical signals to produce sound waves.

diaphragm

The physical element of an optical system which regulates the quantity of light traversing the system. The quantity of light determines the brightness of the image without affecting the size of the image.

diaphragm


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A muscular sheet used in breathing. It separates the thorax and abdomen.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.diaphragm - a mechanical device in a camera that controls size of aperture of the lensdiaphragm - a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm automatically"
camera, photographic camera - equipment for taking photographs (usually consisting of a lightproof box with a lens at one end and light-sensitive film at the other)
iris diaphragm, iris - diaphragm consisting of thin overlapping plates that can be adjusted to change the diameter of a central opening
mechanical device - mechanism consisting of a device that works on mechanical principles
2.diaphragm - (anatomy) a muscular partition separating the abdominal and thoracic cavitiesdiaphragm - (anatomy) a muscular partition separating the abdominal and thoracic cavities; functions in respiration
tissue layer, membrane - a pliable sheet of tissue that covers or lines or connects the organs or cells of animals or plants
muscle system, muscular structure, musculature - the muscular system of an organism
torso, trunk, body - the body excluding the head and neck and limbs; "they moved their arms and legs and bodies"
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
3.diaphragm - a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plasticdiaphragm - a contraceptive device consisting of a flexible dome-shaped cup made of rubber or plastic; it is filled with spermicide and fitted over the uterine cervix
4.diaphragm - electro-acoustic transducer that vibrates to receive or produce sound waves
disk, disc - a flat circular plate
electro-acoustic transducer - a transducer that converts electrical to acoustic energy or vice versa

diaphragm

noun
Related words
adjective phrenic
Translations
bránice
palleavälikalvo
가로막격막횡격막
diafragma

diaphragm

[ˈdaɪəfræm] N
1. (Anat) → diafragma m
2. (= contraceptive) → diafragma m

diaphragm

[ˈdaɪəfræm] n
(ANATOMY)diaphragme m
(= contraceptive) → diaphragme m

diaphragm

n (Anat, Phys, Chem) → Diaphragma nt; (abdominal) → Zwerchfell nt, → Diaphragma nt; (Phot) → Blende f; (in telephone) → Membran f; (= contraceptive)Pessar nt

diaphragm

[ˈdaɪəfræm] ndiaframma m

di·a·phragm

n. diafragma.
1. músculo que separa el tórax del abdomen;
2. anticonceptivo uterino.

diaphragm

n (anat, gyn) diafragma m
References in classic literature ?
It was Watson who took the telephone as Bell had made it, really a toy, with its diaphragm so delicate that a warm breath would put it out of order, and toughened it into a more rugged machine.
The first signal, used by Bell and Watson, was a tap on the diaphragm with the finger-nail.
A woman can sob from the top - of her palate, or her lips, or anywhere else, but a man must cry from his diaphragm, and it rends him to pieces.
The Greeks at all events were right, he thought, who employed the same words for the mind and the diaphragm.
It occurred to me that land-shells, when hybernating and having a membranous diaphragm over the mouth of the shell, might be floated in chinks of drifted timber across moderately wide arms of the sea.
These two nervures, moreover, have a peculiar screw-like diaphragm or vessel in the interior.
Very likely," says the doctor: "I have known people eat in a fever; and it is very easily accounted for; because the acidity occasioned by the febrile matter may stimulate the nerves of the diaphragm, and thereby occasion a craving which will not be easily distinguishable from a natural appetite; but the aliment will not be concreted, nor assimilated into chyle, and so will corrode the vascular orifices, and thus will aggravate the febrific symptoms.
We are excited about the initial results from the PACER early feasibility study, which supports the potential for Lungpacer's novel therapy to help critically ill patients that are susceptible to ventilator induced diaphragm dysfunction and ventilator induced lung injury," said Dr.
Normally, when you breathe in, the brain sends a message to the diaphragm to tighten smoothly.
The website offers a simple process by which customers can find the right diaphragm part.
In very rare cases, it may be necessary to paralyse the diaphragm by injecting a drug around the nerves that supply it, or by cutting them.
The analysis of irregular shaped structures; diaphragms and shear walls.