the act or practice of letting blood by opening a vein; phlebotomy.
bloodshed or slaughter.
Informal. severe cutbacks or reduction in personnel, appropriations, etc.:
The company went through a period of bloodletting in the 1970s.
America Doesn’t Need a Big Army Any More Bill Sweetman March 9, 2014
Should Animal Sacrifice End? David Frum October 25, 2012
Fathers of Biology Charles McRae
Robert Orange John Oliver Hobbes
The Mystery and Romance of Alchemy and Pharmacy Charles John Samuel Thompson
English Villages P. H. Ditchfield
Victory Lester del Rey
Blood and Iron John Hubert Greusel
In Search of Mademoiselle George Gibbs
Captain Blood Rafael Sabatini
the therapeutic removal of blood, as in relieving congestive heart failure See also phlebotomy
bloodshed, esp in a blood feud
stained with blood: a bloodstained knife. guilty of murder, slaughter, or bloodshed. Contemporary Examples Conrad Black: Tom DeLay, American Hero, Fights The Good Fight Conrad Black October 14, 2012 The Shroud of Turin and Thomas de Wesselow’s ‘The Sign.’ Thomas de Wesselow April 2, 2012 The Letter That Could Set Amanda Knox Free Barbie Latza […]
a layer of tightly packed cells that make up the walls of brain capillaries and prevent substances in the blood from diffusing freely into the brain: passage across the cell membranes is determined by solubility in the lipid bilayer or recognition by a transport molecule. blood-brain barrier A physiological mechanism that alters the permeability of […]
having blood of a specified kind (used in combination): warm-blooded animals. (of horses, cattle, etc.) derived from ancestors of good blood; having a good pedigree. the fluid that circulates in the principal vascular system of human beings and other vertebrates, in humans consisting of plasma in which the red blood cells, white blood cells, and […]
a South American characin fish, Aphyocharax rubropinnis, having a silvery body and bright red fins: popular in home aquariums. noun a silvery red-finned South American freshwater fish, Aphyocharax rubripinnis: a popular aquarium fish: family Characidae (characins)