Definition of theory

"theory" in the noun sense

1. theory

a well-substantiated explanation of some aspect of the natural world an organized system of accepted knowledge that applies in a variety of circumstances to explain a specific set of phenomena

"theories can incorporate facts and laws and tested hypotheses"

"true in fact and theory"

2. hypothesis, possibility, theory

a tentative insight into the natural world a concept that is not yet verified but that if true would explain certain facts or phenomena

"a scientific hypothesis that survives experimental testing becomes a scientific theory"

"he proposed a fresh theory of alkalis that later was accepted in chemical practices"

3. theory

a belief that can guide behavior

"the architect has a theory that more is less"

"they killed him on the theory that dead men tell no tales"

Source: WordNet® (An amazing lexical database of English)

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Quotations for theory

Practice is to theory what the feet are to the head. [ E. de Girardin ]

Behavior is the theory of manners practically applied. [ Mme. Necker ]

Gray, dear friend, is all theory, and green life's golden tree. [ Johann Wolfgang von Goethe ]

Theory looks well on paper, but does not amount to anything without practice. [ H. W. Shaw ]

Theory, from whatever source, is not perfect until it is reduced to practice. [ Hosea Ballou ]

The knowledge of the theory of logic has no tendency whatever to make men good reasoners. [ T. B. Macaulay ]

The philosophy of reasoning, to be complete, ought to comprise the theory of bad as well as of good reasoning. [ John Stuart Mill ]

He that would be a master must draw from the life as well as copy from originals, and join theory and experience together. [ Jeremy Collier ]

Education must bring the practice as nearly as possible to the theory. As the children now are, so will the sovereigns soon be. [ Horace Mann ]

The value of a principle is the number of things it will explain; and there is no good theory of disease which does not at once suggest a cure. [ Emerson ]

Those who are conversant with books well know how often they mislead us when we have not a living monitor at hand to assist us in comparing practice with theory. [ Junius ]

Not only so, but scarcely any attempt is entirely a failure; scarcely any theory, the result of steady thought, is altogether false; no tempting form of error is without some latent charm derived from truth. [ Whewell ]

No man was ever endowed with a judgment so correct and judicious, in regulating his life, but that circumstances, time and experience would teach him something new, and apprize him that of those things with which he thought himself the best acquainted he knew nothing; and that those ideas which in theory appeared the most advantageous were found, when brought into practice, to be altogether inapplicable. [ Terence ]

theory in Scrabble®

The word theory is playable in Scrabble®, no blanks required.

Scrabble® Letter Score: 12

Highest Scoring Scrabble® Plays In The Letters theory:

THEORY
(48)
THEORY
(48)
 

All Scrabble® Plays For The Word theory

THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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The 200 Highest Scoring Scrabble® Plays For Words Using The Letters In theory

THEORY
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THEORY
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THEY
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THEORY
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THEORY
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THEORY
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THROE
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YORE
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TROY
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HOER
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YEH
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HEY
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YEH
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THEORY
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THEORY
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THEORY
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TROY
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THROE
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THROE
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THROE
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HOER
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HERO
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YORE
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OTHER
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THEORY
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TYRO
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YORE
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theory in Words With Friends™

The word theory is playable in Words With Friends™, no blanks required.

Words With Friends™ Letter Score: 10

Highest Scoring Words With Friends™ Play In The Letters theory:

THEORY
(54)
 

All Words With Friends™ Plays For The Word theory

THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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THEORY
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The 200 Highest Scoring Words With Friends™ Plays Using The Letters In theory

THEORY
(54)
THEORY
(48)
THEORY
(48)
THEORY
(42)
THEY
(42)
THEORY
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THEORY
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THROE
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THEORY
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HERO
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THEORY
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THEORY
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HOER
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YORE
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THEORY
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TROY
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THEORY
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OTHER
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THEORY
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TROY
(24)
HERO
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THEORY
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THEY
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THEY
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THEY
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THEY
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HOER
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YORE
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THEORY
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TYRO
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Words within the letters of theory

2 letter words in theory (7 words)

3 letter words in theory (17 words)

4 letter words in theory (8 words)

5 letter words in theory (2 words)

6 letter words in theory (1 word)

Words containing the sequence theory

Words that start with theory (2 words)

Words with theory in them (1 word)

Words that end with theory (1 word)

Word Growth involving theory

Shorter words in theory

or

he the

Longer words containing theory

theoryless