noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A generalized theory of eleven-dimensional supergravity that attempts to unify the five superstring theories uncountable
2. 2
   (particle physics) a theory that involves an eleven-dimensional universe in which the weak and strong forces and gravity are unified and to which all the string theories belong wordnet

Etymology

Abbreviation of membrane theory.

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