Is-a
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 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 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.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.