Pronunciation: (hu-red'i-ter"ē),[key] —adj. 1. passing, or capable of passing, naturally from parent to offspring through the genes: Blue eyes are hereditary in our family. Cf. congenital. 2. of or pertaining to inheritance or heredity: a hereditary title. 3. existing by reason of feeling, opinions, or prejudices held by predecessors: a hereditary enemy. 4. Law. a. descending by inheritance.
b. transmitted or transmissible in the line of descent by force of law.
c. holding title, rights, etc., by inheritance: a hereditary proprietor. 5. Math. a. (of a collection of sets) signifying that each subset of a set in the collection is itself a set in the collection.
b. of or pertaining to a mathematical property, as containing a greatest integer, applicable to every subset of a set that has the property.