plural of blood type

plural of blood serum

plural of blood sub

plural of blood substitution

(rugby, informal) A blood substitution.

(rugby) A temporary substitution for a visibly-bleeding player who must leave the field of play for first-aid treatment.

Related by sharing descent from one parent.

Alternative form of half blood

plural of half blood

(law) A person who shares one parent with another; a half-sibling. / A person whose father and mother are of different races; a half-breed