different between appreciable vs observable

English

Etymology

From French appréciable.

Pronunciation

• IPA^(key): /??p?i???bl/

Adjective

appreciable (comparative more appreciable, superlative most appreciable)

1. Large enough to be estimated; perceptible; considerable.
   • 2002, John J. Mearsheimer, "Realism, the Real World, and the Academy," in Realism and Institutionalism in International Studies (M. Brecher and F. P. Harvey, eds.), ?ISBN, p. 27:

     If NEAsia were a zone of peace, those American forces would be unnecessary and they could be sent home and demobilized, saving the U.S. taxpayer an appreciable sum of money.

Translations

References

• appreciable in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

English

Etymology

observe +? -able

Pronunciation

• IPA^(key): /?b?z??(?)v?b?l/

Adjective

observable (comparative more observable, superlative most observable)

1. Able to be observed.
2. Deserving to be observed; worth regarding; remarkable.

Synonyms

• (able to be observed): noticeable, perceivable; see also Thesaurus:perceptible
• (deserving to be observed): eminent, noteworthy; see also Thesaurus:notable

Translations

Noun

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 expected value one may recover something resembling a classical observable.

Translations

French

Etymology

observer +? -able

Pronunciation

• IPA^(key): /?p.s??.vabl/

Adjective

observable (plural observables)

1. observable

   Antonym: inobservable

Derived terms

• observabilité

Related terms

• observance
• observant
• observateur

Spanish

Etymology

From Latin observ?bilis.

Pronunciation

• IPA^(key): /obse??bable/, [o??.se????a.??le]

Adjective

observable (plural observables)

1. observable

   Antonym: inobservable

Related terms

References

• “observable” in Diccionario de la lengua española, Vigésima tercera edición, Real Academia Española, 2014.