Is-a

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The relationship between two entities in which one entity inherits from the other.

    "A special slot, the Is-a slot, short for is-a-member-of-the-class, ties instances to the classes they are members of."

  2. 2
    Such a relationship expressed as an ontology component (regardless of whether the OOP paradigm per se is implemented).

Example

More examples

"A special slot, the Is-a slot, short for is-a-member-of-the-class, ties instances to the classes they are members of."

Etymology

From is + a.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.