extensionalism

noun

ex·​ten·​sion·​al·​ism

ikˈstenchənᵊlˌizəm,

ek-,

-chnəˌli-

plural -s

: extensionality

The Ultimate Dictionary Awaits

Expand your vocabulary and dive deeper into language with Merriam-Webster Unabridged.

1. Expanded definitions
2. Detailed etymologies
3. Advanced search tools
4. All ad-free

Discover what makes Merriam-Webster Unabridged the essential choice for true word lovers.

Start Your Free Trial Now