Theory
/ˈθiːəɹi/
The meaning and definition of Theory, with examples, synonyms, and a word game to make it stick.
Definition
noun
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A field of study attempting to exhaustively describe a particular class of constructs.
“Knot theory classifies the mappings of a circle into 3-space.”
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A set of axioms together with all statements derivable from them; or, a set of statements which are deductively closed. Equivalently, a formal language plus a set of axioms (from which can then be derived theorems). The statements may be required to all be bound (i.e., to have no free variables).
“A theory is consistent if it has a model.”
Definitions from the Free Dictionary API
Origin
From Latin theoria, from Ancient Greek θεωρία, from Ancient Greek θεωρέω, from Ancient Greek θεωρός.
25 Greek & Latin roots that unlock 1,000+ English words
Source: Etymological Wordnet (CC BY-SA 3.0)
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