meaning of diaphragm
1. A dividing membrane or thin partition, commonly with an opening through it.
2. The muscular and tendinous partition separating the cavity of the chest from that of the abdomen; the midriff.
3. A calcareous plate which divides the cavity of certain shells into two parts.
4. A plate with an opening, which is generally circular, used in instruments to cut off marginal portions of a beam of light, as at the focus of a telescope.
5. A partition in any compartment, for various purposes.
6. a mechanical device in a camera that controls size of aperture of the lens; "the new cameras adjust the diaphragm
">automatically"
Related Words
diaphragm | diaphragmatic | diaphragmatic hernia | diaphragmatic pleurisy |