diaphragm
noun(di-a-phragm)
a body partition of muscle and connective tissue; specifically : the partition separating the chest and abdominal cavities in mammals
diaphragm
noun(di-a-phragm)
a dividing membrane or thin partition especially in a tube
diaphragm
noun(di-a-phragm)
a more or less rigid partition in the body or shell of an invertebrate
diaphragm
noun(di-a-phragm)
an adjustable diaphragm of thin opaque plates that can be turned by a ring so as to change the diameter of a central opening usually to regulate the aperture of a lens