9-Letter Words Containing: H,O,P,M

• An abnormal deficiency in the concentration of oxygen in the blood, be it the partial pressure of oxygen (mm Hg), the content of oxygen (ml oxygen per dl of blood) or the per cent saturation of the blood's hemoglobin, singly or in combination.

• the practice of eating fungi (especially mushrooms collected in the wild)

• A circulating fluid in the bodies of some invertebrates that is the equivalent of blood

• scientific instrument consisting of a rotating drum holding paper on which a stylus traces a continuous record (as of breathing or blood pressure)

• the atmosphere in a mine following an explosion; high in carbon dioxide and incapable of supporting life

• small translucent lancet-shaped burrowing marine animal; primitive forerunner of the vertebrates