amerikai:
brit:
1. A hereditary ruler; a hereditary peer in the House of Lords.
1. Passed on as an inheritance, by last will or intestate.
2. Of a title, honor or right: legally granted to somebody's descendant after that person's death.
Duke is a hereditary title which was created in Norman times.
3. Of a person: holding a legally hereditary title or rank.
hereditary rulers
4. Of a disease or trait: passed from a parent to offspring in the genes
Haemophilia is hereditary in his family.
5. Of a ring: such that all submodules of projective modules over the ring are also projective.