You/We/They diaphragm. Present Continuous Tense. He/She/It is diaphragming. I am diaphragming. You/We/They are diaphragming.
verb (used with object) to furnish with a diaphragm. to reduce the aperture of (a lens, camera, etc.) by means of a diaphragm.
How to use Diaphragm in a sentence. These blocks were fastened to a diaphragm of wood. The anterior surface is in contact with the diaphragm and the anterior abdominal wall. The right surface of the liver is covered with peritoneum and is in contact with the diaphragm, outside which are the pleura and lower ribs.