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Theory vs Actual - What's the difference?

theory | actual |

In obsolete|lang=en terms the difference between theory and actual

is that theory is (obsolete) mental conception; reflection, consideration while actual is (obsolete) active, not passive.

As nouns the difference between theory and actual

is that theory is (obsolete) mental conception; reflection, consideration while actual is an actual, real one; notably:.

As an adjective actual is

existing in act or reality, not just potentially; really acted or acting; occurring in fact.

theory

English

Noun

  • (obsolete) Mental conception; reflection, consideration.
  • * 1646 , (Thomas Browne), Pseudodoxia Epidemica , VII.19:
  • As they encrease the hatred of vice in some, so doe they enlarge the theory of wickednesse in all.
  • (sciences) A coherent statement or set of ideas that explains observed facts or phenomena, or which sets out the laws and principles of something known or observed; a hypothesis confirmed by observation, experiment etc.
  • * 2002 , Duncan Steel, The Guardian , 23 May 2002:
  • It was only when Einstein's theory' of relativity was published in 1915 that physicists could show that Mercury's "anomaly" was actually because Newton's gravitational ' theory was incomplete.
  • * 2003 , (Bill Bryson), A Short History of Nearly Everything , BCA, p. 118:
  • The world would need additional decades [...] before the Big Bang would begin to move from interesting idea to established theory .
  • * 2009 , (Richard Dawkins), The Greatest Show On Earth: The Evidence for Evolution , Bantam, p. 10:
  • Scientists and creationists are understanding the word "theory'" in two very different senses. Evolution is a '''theory''' in the same sense as the heliocentric '''theory'''. In neither case should the word "only" be used, as in "only a ' theory ".
  • * {{quote-magazine, date=2012-01
  • , author=Michael Riordan , title=Tackling Infinity , volume=100, issue=1, page=86 , magazine= citation , passage=Some of the most beautiful and thus appealing physical theories', including quantum electrodynamics and quantum gravity, have been dogged for decades by infinities that erupt when theorists try to prod their calculations into new domains. Getting rid of these nagging infinities has probably occupied far more effort than was spent in originating the ' theories .}}
  • (uncountable) The underlying principles or methods of a given technical skill, art etc., as opposed to its practice.
  • * 1990 , Tony Bennett, Outside Literature , p. 139:
  • Does this mean, then, that there can be no such thing as a theory of literature?
  • * 1998 , Elizabeth Souritz, The Great History of Russian Ballet :
  • Lopukhov wrote a number of books and articles on ballet theory , as well as his memoirs.
  • (mathematics) A field of study attempting to exhaustively describe a particular class of constructs.
  • Knot theory classifies the mappings of a circle into 3-space.
  • A hypothesis or conjecture.
  • * 1999 , Wes DeMott, Vapors :
  • It's just a theory I have, and I wonder if women would agree. But don't men say a lot about themselves when a short-skirted woman slides out of a car or chair?
  • * 2003 , Sean Coughlan, The Guardian , 21 Jun 2003:
  • The theory is that by stripping costs to the bone, they are able to offer ludicrously low fares.
  • (countable, logic) A set of axioms together with all statements derivable from them. Equivalently, a formal language plus a set of axioms (from which can then be derived theorems).
  • A theory is consistent if it has a model.

    Usage notes

    In scientific discourse, the sense “unproven conjecture” is discouraged (with hypothesis or conjecture preferred), due to unintentional ambiguity and intentional equivocation with the sense “well-developed statement or structure”.

    Synonyms

    * See also

    Holonyms

    * (in logic) formal system

    Meronyms

    * (in logic) axioms

    Derived terms

    * acoustic theory * algorithmic information theory * antenna theory * atomic theory * catastrophe theory * category theory * cell theory * chaos theory * circuit theory * complexity theory * computation theory * control theory * critical theory * decision theory * domino theory * extreme value theory * game theory * giant impact theory * graph theory * group theory * in theory * information theory * kinetic theory of gases * knot theory * literary theory * music theory * number theory * opponent-process theory * phlogiston theory * probability theory * proof theory * quantum field theory * rational choice theory * set theory * signal theory * social theory * systems theory * theory of gravity * theory of relativity * theory of truth * Theory X * Theory Y * type theory * value theory * virtue theory

    See also

    * axiom * postulate * proposition Check translations

    actual

    English

    Adjective

    (-)
  • Existing in act or reality, not just potentially; really acted or acting; occurring in fact.
  • *{{quote-magazine, date=2013-06-07, author=(Gary Younge)
  • , volume=188, issue=26, page=18, magazine=(The Guardian Weekly) , title= Hypocrisy lies at heart of Manning prosecution , passage=They also exposed the blatant discrepancy between the west's professed values and actual foreign policies.}}
  • Factual, real, not just apparent or even false.
  • *{{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
  • , chapter=1 citation , passage=The original family who had begun to build a palace to rival Nonesuch had died out before they had put up little more than the gateway, so that the actual structure which had come down to posterity retained the secret magic of a promise rather than the overpowering splendour of a great architectural achievement.}}
  • (dated) In action at the time being; now existing; current.
  • (obsolete) Active, not passive.
  • * Shakespeare
  • her walking and other actual performances.
  • * Jeremy Taylor
  • Let your holy and pious intention be actual ; that is given to God.
  • Used to emphasise a noun or verb, whether something is real or metaphorical.
  • *{{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)
  • , title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure. Yet this is the level of organisation that does the actual thinking—and is, presumably, the seat of consciousness.}}

    Usage notes

    * In some foreign languages the counterpart of (actual) means “current”. This meaning also occurs in English written by non-native speakers, but is nonstandard English. * The phrase (term) is criticised by many as redundant., page 3

    Synonyms

    * (existing in act or reality) real * (in action at the time being) present * positive

    Antonyms

    * (existing in act or reality) potential, possible, virtual, speculative, conceivable, theoretical, nominal, hypothetical, estimated * (in action at the time being) future, past

    Derived terms

    * actualism * actualist * actuality * actualize * actualization * actually

    Noun

    (en noun)
  • An actual, real one; notably:
  • # (finance) Something actually received; real receipts, as distinct from estimated ones.
  • # (military) A radio callsign modifier that specifies the commanding officer of the unit or asset denoted by the remainder of the callsign and not the officer's assistant or other designee.
  • "Bravo Six Actual , Snakebite leader" (The person with the callsign "Snakebite leader" requests to speak to the commander of company Bravo and not the radio operator.)

    See also

    * certain * genuine

    References

    Anagrams

    * ----