theory

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theory atomic theory Bohr theory cell theory germ theory Hering theory James-Lange theory monophyletic theory neuron doctrine place theory polyphyletic theory quantum theory recapitulation theory resonance theory sliding filament hypothesis telephone theory theory of epigenesis undulatory theory wave theory Young-Helmholtz theory

Main Entry: the·o·ry
Pronunciation: th--r, thi(-)r-
Function: noun
Inflected Form(s): plural -ries
1 : the general or abstract principles of a body of fact, a science, or an art <the theory and practice of medicine>
2 : a plausible or scientifically acceptable general principle or body of principles offered to explain natural phenomena <a theory of organic evolution> -- see ATOMIC THEORY, CELL THEORY, GERM THEORY
3 : a working hypothesis that is considered probable based on experimental evidence or factual or conceptual analysis and is accepted as a basis for experimentation
- the·o·ret·i·cal /th--ret-i-kl, thi()r-et-/ also the·o·ret·ic /-ik/ adjective
- the·o·ret·i·cal·ly /-i-k(-)l/ adverb