different between observable vs extraordinary

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.

English

Alternative forms

• extra-ordinary
• extraördinary (rare)

Etymology

From Latin extr??rdin?rius, from extr? ?rdinem (“outside the order”); equivalent to extra- +? ordinary. Doublet of extraordinaire.

Pronunciation

• (UK) IPA^(key): /?ks?t???(?)d?n??i/, /?ks?t???(?)d?n?i/, /??kst?????(?)d?n??i/, /??kst?????(?)d?n?i/
• Hyphenation: ex?traor?di?na?ry

Adjective

extraordinary (comparative more extraordinary, superlative most extraordinary)

1. Not ordinary; exceptional; unusual.
2. Remarkably good.

3. Special or supernumerary.

   the physician extraordinary in a royal household

   an extraordinary professor in a German university

Synonyms

• exceptional
• unparalleled
• noteworthy
• outstanding

Antonyms

• everyday, normal, ordinary, regular, usual

Derived terms

• extraordinary optical transmission
• extraordinary professor
• extraordinary rendition

Translations

Noun

extraordinary (plural extraordinaries)

1. Anything that goes beyond what is ordinary.
   • 1787, The New Annual Register

     […] the sum that will probably be wanted for each head of service during the year: it is divided into the ordinary, and the extraordinaries.