observable

From observe +‎ -able.

• (UK, General Australian) IPA^(key): /əbˈzɜː.və.bəl/,

  • Audio (Southern England):

    (file)

• (US, Canada) IPA^(key): /əbˈzɝ.və.bəl/,

observable (comparative more observable, superlative most observable)

1. Able to be observed.

   The strange new star was at the edge of the observable universe.

   • 2004, John Lukacs, A New Republic: A History of the United States in the Twentieth Century:

     In 1913, in the same year that Mother's Day became a nationally observable holiday, the American people passed another milestone: for the first time in American history more than one person in one thousand was divorced.

   • 2008, David J. Teece, Technological Know-how, Organizational Capabilities, and Strategic Management:

     Although intellectual property rights, such as patents, are highly observable, they are mostly limited to product technologies. Process technologies, or the routines endemic in the firm's production, are not readily observable, and thus cannot be easily imitated.

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

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

• observable universe

English Wikipedia has an article on:

observable

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 expected value one may recover something resembling a classical observable.

From observer +‎ -able.

• IPA^(key): /ɔp.sɛʁ.vabl/

• Audio:

  (file)

observable (plural observables)

1. observable

   Antonym: inobservable

• observabilité

• observance
• observant
• observateur

• “observable”, in Trésor de la langue française informatisé , 2012.

Borrowed from Latin observābilis.

• IPA^(key): /obseɾˈbable/
• Rhymes: -able
• Syllabification: ob‧ser‧va‧ble

observable m or f (masculine and feminine plural observables)

1. observable

   Antonym: inobservable

• “observable”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10