noun, noun which may take the genitive case particle 'no'
purebred; pure-blooded; thoroughbred
Typically used for animals, especially dogs and horses, to indicate pure lineage. Can also be applied to humans in contexts like fantasy or historical discussions.
彼は純血のサラブレッドを飼っている。
He owns a purebred Thoroughbred.
この犬は純血です。
This dog is purebred.
純血 means 'pure-blooded' or 'purebred', the direct opposite of 混血 'mixed race'.
Compound of 純 (pure) and 血 (blood). The exact historical derivation is uncertain, but the word follows a common Sino-Japanese pattern for describing lineage.