DIASTOLEThe dilation or period of dilation of the heart, especially of the
DIATHERMYThe generation of heat in tissue by electric current for medical or
DISINFECTIONThe killing of infectious agents outside the body by physical or
chemical means applied directly.
concurrentDone during the treatment of a patient with a communicable
terminalDone after a patient has been discharged or transferred.
DISINFESTATIONA physical or chemical means of destroying animal or insect
pests in a particular area.
DISTILLATIONConverting a liquid to a vapor by applying heat and condensing
the vapor back to liquid by cooling.
DIURESISUrine excretion in excess of the usual amount.
DIURETICSDrugs that increase the secretion of urine.
DYSPNEALabored or difficult breathing.
ECCHYMOSISA small hemorrhagic spot, larger than a petechia, in the skin or
mucous membrane, forming a nonelevated, rounded or irregular, blue or
ELECTROLYTEA substance that dissociates into ions in solution or when
fused, thereby becoming capable of conducting electricity.
ELIXIRAn aromatic, sweetened, hydroalcoholic solution containing medicinal
EMBOLUSA clot or other plug brought by the blood from another vessel and
forced into a smaller one, thereby obstructing circulation.
EMETICA substance that causes vomiting.
EMOLLIENTA drug that softens, soothes, or smooths the skin or irritated
EMULSIONA liquid preparation containing two unmixable liquids, such as oil
and water, one of which is dispersed as globules in the other.
ENCAPSULATEDEnclosed within a capsule.
ENDEMICThe constant presence of a disease in a given locality.
ENTERICOf or within the intestine.
EPIDEMICThe outbreak of disease in a geographic area in excess of normal
EPIDEMIOLOGYThe study of epidemics and epidemic diseases.
EPIZOOTICAttacking many animals in a region at the same time.
ERADICATEWipe out; destroy.
ERYTHROCYTERed blood cell.