Definitions for observableəbˈzɜr və bəl

This page provides all possible meanings and translations of the word observable

Princeton's WordNet

  1. discernible, evident, observable(adj)

    capable of being seen or noticed

    "a discernible change in attitude"; "a clearly evident erasure in the manuscript"; "an observable change in behavior"

GCIDE

  1. Observable(a.)

    Worthy of being observed; important enough to be noted or celebrated; as, an observable anniversary.

  2. Observable(a.)

    Noteworthy; remarkable.

  3. Origin: [L. observabilis: cf. F. observable.]

Wiktionary

  1. observable(Noun)

    Any physical property that can be observed and measured directly and not derived from other properties

  2. observable(Adjective)

    Able to be observed.

  3. observable(Adjective)

    Deserving to be observed.

Webster Dictionary

  1. Observable(adj)

    worthy or capable of being observed; discernible; noticeable; remarkable

  2. Origin: [L. observabilis: cf. F. observable.]

Freebase

  1. Observable

    In physics, particularly in quantum physics, a system observable is a measurable operator, or gauge, where the property of the system state can be determined by some sequence of physical operations. For example, these operations might involve submitting the system to various electromagnetic fields and eventually reading a value off some gauge. In systems governed by classical mechanics, any experimentally observable value can be shown to be given by a real-valued function on the set of all possible system states. Physically meaningful observables must also satisfy transformation laws which relate observations performed by different observers in different frames of reference. These transformation laws are automorphisms of the state space, that is bijective transformations which preserve some mathematical property.


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