- a muscular, membranous or ligamentous wall separating two cavities or limiting a cavity.
- the partition separating the thoracic cavity from the abdominal cavity in mammals.
- a porous plate separating two liquids, as in a galvanic cell.
- a semipermeable membrane.
verb (used with object)
- diaphragm phenomenon,
- diaphragmatic flutter,
- diaphragmatic hernia,
- diaphragmatic ligament of mesonephros
Origin of diaphragm
Examples from the Web for diaphragm
The blade pierced his liver and diaphragm, missing his heart and aorta by a fraction of an inch.Thank God the Murrysville School Attack Wasn’t Guns|Michael Daly|April 9, 2014|DAILY BEAST
After Mrs. Butterfield retreats upstairs, she goes to have sex with her husband, only to realize that Jade has her diaphragm.What the New ‘Endless Love’s Fireplace Sex Scene Is Missing|Sujay Kumar|February 13, 2014|DAILY BEAST
Could prescription birth control—whether the pill, an IUD, or a diaphragm—soon be free of cost for most American women?
The speaking-tube used was of woven material, not of rubber, and a pad of felt was kept in the tube near the diaphragm box.
It is situated in the right side, below the diaphragm, and is composed of several lobes.
When extreme, it may give rise to distressing dyspnoea by preventing the descent of the diaphragm.
That cavity is divided into two by a partly muscular and partly tendinous partition, the diaphragm.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
The insertion of the diaphragm becomes soon perceptible by a deep groove around the chest.
- 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
- a semipermeable membrane used to separate two solutions in osmosis
Word Origin for diaphragm
A dome-shaped structure made up of muscle and connective tissue that separates the abdominal cavity from the thorax and functions in respiration. By movement of the diaphragm, air is either drawn into the lungs or forced out of them.