Eigenclass
noun
noun ·Rare ·Advanced level
Definitions
Noun
- 1 A hidden class associated with each specific instance of another class.
"Singleton methods in Ruby live in a special, hidden class called the singleton class (it used to be referred to as the eigenclass, but singleton class is the current term)."
Example
More examples"Singleton methods in Ruby live in a special, hidden class called the singleton class (it used to be referred to as the eigenclass, but singleton class is the current term)."
Etymology
From eigen- + class.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.