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blood thinner a drug that inhibits blood clotting.
blood-thinning of or pertaining to a drug that inhibits blood clotting.
bloodthirsty eager to cause or attracted to acts of bloodshed; cruel.
blood type see "blood group."
blood typing the classification of blood samples according to blood group, esp. to determine compatibility of donors with recipients of transfusions or transplants.
blood vessel any of the arteries, veins, or capillaries through which the blood circulates.
blood work the medical analysis of blood as carried out by medical professionals; blood testing. [2 definitions]
bloody covered with or exuding blood. [4 definitions]
bloody Mary (often cap.) a mixed drink made mostly of vodka and tomato juice.
bloody-minded tending to be cruel, violent, or disruptive.
Bloody Sunday March 7, 1965, the day on which American civil rights activists, led by John Lewis and others, marched onto the Edmund Pettus Bridge in Selma, Alabama and were beaten and tear-gassed by waiting police officers and deputies on the other side.
bloom a flower; blossom. [8 definitions]
bloomer1 an outfit formerly worn by girls and women consisting of billowy trousers, gathered at the ankle and worn under a skirt and often with a jacket and wide-brimmed hat. [3 definitions]
bloomer2 a blooming plant. [2 definitions]
blooming in flower; blossoming. [3 definitions]
bloop (informal) in baseball, to hit (the ball) in a low arc that carries just beyond the infield, usu. for a hit. [2 definitions]
blooper (informal) in baseball, a hit ball that flies in a low arc just beyond the infield, usu. for a hit. [2 definitions]
blossom the flowering part of a plant which forms a seed or fruit. [4 definitions]
blot a stain or spot, esp. of ink on paper. [8 definitions]
blotch a large, irregularly shaped stain or blot. [4 definitions]
blotchy having or covered with blotches. [2 definitions]