diastolic pressure
- n the blood pressure (as measured by a sphygmomanometer) after the contraction of the heart while the chambers of the heart refill with blood
diastrophism
- n the process of deformation that produces continents and ocean basins in the earth's crust
diapsida
- n used in former classifications to include all living reptiles except turtles; superseded by the two subclasses Lepidosauria and Archosauria