Definition of


  1. (noun, cognition) (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

via WordNet, Princeton University

Alternate forms of M-theory

Hypernyms: framework, model, theoretical account

Note: If you're looking to improve your vocabulary right now, we highly recommend Ultimate Vocabulary Software.

Word of the Moment

Homogentisic Acid

an acid formed as an intermediate product of the metabolism of tyrosine and phenylalanine