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External vs Observable - What's the difference?

external | observable | Related terms |

External is a related term of observable.


As adjectives the difference between external and observable

is that external is outside of something; on the exterior while observable is able to be observed.

As a noun observable is

(physics) any physical property that can be observed and measured directly and not derived from other properties.

external

English

Adjective

(en adjective)
  • Outside of something; on the exterior.
    • This building has some external pipework.
  • * Milton
    • Of all external things, / She [Fancy] forms imaginations, aery shapes.
  • * Shakespeare
    • Her virtues graced with external gifts.
  • Not intrinsic nor essential; accidental; accompanying; superficial.
  • * Trench
    • The external circumstances are greatly different.
  • Foreign; relating to or connected with foreign nations.
    • external''' trade or commerce; the '''external relations of a state or kingdom
  • (anatomy) Away from the mesial plane of the body; lateral.

    • Antonyms

    * internal

    Related terms

    * externalization * externalize * externalism * externalist * externality

    External links

    * * * English words suffixed with -al

    observable

    English

    Adjective

    (en adjective)
  • Able to be observed.
  • * The strange new star was at the edge of the observable universe
  • Deserving to be observed.
  • * Easter is an observable holiday

    • Noun

    (wikipedia observable) (en noun)
  • (physics) Any physical property that can be observed and measured directly and not derived from other properties
    • Temperature is an observable but entropy is derived.
    In quantum mechanics, observables''' correspond to Hermitian operators. Also, they act a lot like random variables. Taking their average one may recover something resembling a classical '''observable .
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