Blood purity, and related terms pureblood, pureblooded, full-blooded, full-blood, full blood, half blood and half-blooded, are all terms which are or have been used relating to racial purity. It may also be associated with:

• Blood quantum laws, tribal laws in the United States stipulating a certain minimum degree of indigenous and/or tribal ancestry required for membership in a given Native American tribe
• The term half-caste, and in particular with reference to laws known as
  • Half-Caste Act in some states of Australia
• Limpieza de sangre, blood purity laws in Medieval Spain stipulating a social hierarchy based on ancestry

Look up pureblood, pureblooded, full-blooded, half blood, or half-blooded in Wiktionary, the free dictionary.

Blood purity may also refer to:

• Purity of wizarding ancestry in the fictional Harry Potter series

• Blood (disambiguation)
• Casta
• Full Blooded, an American rapper
• German Blood Certificate
• Purity (disambiguation)
• Purebred
• Pedigree chart

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