observable

English

Adjective

observable (comparative more observable, superlative most observable)

1. Able to be observed.
   • The strange new star was at the edge of the observable universe
2. Deserving to be observed.
   • Easter is an observable holiday

Translations

able to be observed

• Catalan: observable (ca)
• Czech: pozorovatelný (cs) m
• Finnish: havaittavissa oleva (fi)
• French: observable (fr)

• German: beobachtbar (de)
• Russian: наблюдаемый (ru) (nabljudájemyj)
• Spanish: observable (es)

deserving to be observed

• Finnish: huomionarvoinen (fi)

Noun

Wikipedia observable (plural observables)

1. (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.