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A vs Critical - What's the difference?

a | critical |

As a letter a

is the letter a with a tilde.

As an adjective critical is

inclined to find fault or criticize; fastidious; captious; censorious; exacting.

As a noun critical is

a critical value, factor, etc.

a

Translingual

Etymology 1

From (etyl) letter .

Letter

  • The first letter of the .
  • See also
    (Latn-script) *

    Symbol

    (head)
  • (Marks the first item in a list)
  • A . Go to the store. B. Get some food. C. Return home. D. Eat.
  • A hypothetical item or person designated first when there are more than one.
  • Person A had 5 apples, and person B...
  • The hexadecimal digit for 10
  • 0x0000000A
    The value is hexadecimal A 0, or decimal 160.
  • A standard size of dry cell battery slightly larger than a AA battery.
  • A system of paper sizes with similar proportions, as , etc.
  • See also
    * (previous) , (next) B

    Etymology 2

    Abbreviation of various terms.

    Symbol

    (head)
  • Symbol for the element Argon (Since 1956 has been changed to Ar).
  • area
  • Abbreviation

    (Abbreviation) (head)
  • ampere, a unit of electrical current.
  • IUPAC 1-letter abbreviation for adenine in genetic code.
  • IUPAC 1-letter abbreviation for alanine in proteins.
  • Austria
  • See also

    {{Letter, page=A , NATO=Alpha , Morse=·– , Character=A1 , Braille=? }} Image:Latin A.png, Capital and lowercase versions of A , in normal and italic type File:Fraktur letter A.png, Uppercase and lowercase A in Fraktur File:UncialA-01.svg, A in uncial script

    References

    ----

    critical

    English

    Adjective

    (en adjective)
  • Inclined to find fault or criticize; fastidious; captious; censorious; exacting.
  • :
  • Pertaining to, or indicating, a crisis or turning point.
  • :
  • *
  • *:Such a scandal as the prosecution of a brother for forgery—with a verdict of guilty—is a most truly horrible, deplorable, fatal thing. It takes the respectability out of a family perhaps at a critical moment, when the family is just assuming the robes of respectability:it is a black spot which all the soaps ever advertised could never wash off.
  • Extremely important.
  • :
  • *{{quote-magazine, year=2013, month=September-October, author= Katie L. Burke
  • , magazine=(American Scientist), title= In the News , passage=Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis:
  • Relating to criticism or careful analysis, such as literary or film criticism.
  • :
  • (lb) Of a patient condition involving unstable vital signs and a prognosis that predicts the condition could worsen; or, a patient condition that requires urgent treatment in an intensive care or critical care medical facility.
  • :
  • Likely to go out of control if disturbed, that is, opposite of stable.
  • :
  • Of the point (in temperature, reagent concentration etc.) where a nuclear or chemical reaction becomes self-sustaining.
  • :
  • Derived terms

    {{der3, criticality , critically , criticalness , critical angle , critical mass , critical point , critical thinking , mission-critical , pseudocritical , supercritical}}

    See also

    * (wikipedia "critical") * (Medical state)

    Noun

    (en noun)
  • A critical value, factor, etc.
  • * 1976 , American Society of Mechanical Engineers, Journal of engineering for industry (volume 98, page 508)
  • The second undamped system criticals show a greater percentage depression than the first.
  • * 2008 , John J. Coyle, C. John Langley, Brian Gibson, Supply Chain Management: A Logistics Perspective (page 564)
  • Finally, criticals are high-risk, high-value items that give the final product a competitive advantage in the marketplace Criticals, in part, determine the customer's ultimate cost of using the finished product — in our example, the computer.