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Observable vs Rare - What's the difference?

observable | rare | Related terms |

Observable is a related term of rare.


As adjectives the difference between observable and rare

is that observable is able to be observed while rare is (cooking|particularly meats) cooked very lightly, so the meat is still red (in the case of steak or beef in the general sense) or rare can be very uncommon; scarce or rare can be (obsolete) early.

As a noun observable

is (physics) any physical property that can be observed and measured directly and not derived from other properties.

As a verb rare is

(us|intransitive) to rear, rise up, start backwards.

observable

English

Adjective

(en adjective)
  • Able to be observed.
  • * The strange new star was at the edge of the observable universe
  • Deserving to be observed.
  • * Easter is an observable holiday

    • Noun

    (wikipedia observable) (en noun)
  • (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 .
    ----

    rare

    English

    Etymology 1

    From a dialectal variant of rear, from (etyl) rere, from (etyl) . More at (l).

    Alternative forms

    * (l), (l) (UK)

    Adjective

    (en-adj)
  • (cooking, particularly meats) Cooked very lightly, so the meat is still red (in the case of steak or beef in the general sense).
  • * Dryden
    • New-laid eggs, which Baucis' busy care / Turned by a gentle fire, and roasted rare .
    Synonyms
    * (cooked very lightly) sanguinary
    Antonyms
    * (cooked very lightly) well done
    Derived terms
    * medium-rare

    Etymology 2

    From (etyl) rare, from (etyl) rare, .

    Adjective

    (er)
  • Very uncommon; scarce.
  • * {{quote-magazine, year=2013, month=May-June, author= David Van Tassel], [http://www.americanscientist.org/authors/detail/lee-dehaan Lee DeHaan
    • , title= Wild Plants to the Rescue , volume=101, issue=3, magazine=(American Scientist) , passage=Plant breeding is always a numbers game.
  • (label) Thin; of low density.
    • Synonyms
    * (very uncommon) scarce, selcouth, seld, seldsome, selly, geason, uncommon
    Antonyms
    * (very uncommon) common
    Derived terms
    * rare bird * rare earth mineral
    Related terms
    * rarity

    Etymology 3

    Variant of rear .

    Verb

    (rar)
  • (US) To rear, rise up, start backwards.
  • * 2006 , Thomas Pynchon, Against the Day , Vintage 2007, p. 328:
    • Frank pretended to rare back as if bedazzled, shielding his eyes with a forearm.
  • (US) To rear, bring up, raise.
    • Usage notes
    * (rft-sense) Principal current, non-literary use is of the present participle raring' with a verb in "'''raring''' to". The principal verb in that construction is ''go''. Thus, '''''raring''' to go'' ("eager (to start something)") is the expression in which '''''rare is most often encountered as a verb.

    Etymology 4

    Compare rather, rath.

    Adjective

    (en adjective)
  • (obsolete) early
  • * Chapman
    • Rude mechanicals that rare and late / Work in the market place.

    Anagrams

    * ----