What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Grayer vs Graser - What's the difference?

grayer | graser |

As an adjective grayer

is (gray).

As a noun graser is

(physics|science fiction) a device for the coherent amplification or generation of electromagnetic radiation in the gamma ray wavelength by the use of excitation energy in resonant atomic or molecular systems.

grayer

English

Adjective

(head)
  • (gray)

    • gray

    English

    Alternative forms

    * grey (used in the UK and the Commonwealth and also in the US)

    Etymology 1

    From (etyl) ).

    Adjective

    (er) (spelled "grey" in the UK and the Commonwealth)
  • (label) Having a color somewhere between white and black, as the ash of an ember.
  • * Isaac Newton
  • (label) Dreary, gloomy.
  • *
  • (label) Having an indistinct, disputed or uncertain quality.
  • (label) Relating to older people.
  • * Ames
    • Usage notes
    A mnemonic for remembering which spelling is used where: gre'''y'' is the '''E'''nglish spelling, while ''gr'''a'''y'' is the '''A merican spelling. However, ''grey is also found in American English.
    Derived terms
    {{der3, battleship gray , gray area , graybeard , gray-haired , grayhound , grayness , gray ghost , gray matter}}

    Verb

    (en-verb) (spelled "grey" in the UK and the Commonwealth)
  • (label) To become gray.
  • (label) To cause to become gray.
  • To turn progressively older, in the context of the population of a geographic region.

    • Noun

  • (en noun) (spelled "grey" in the UK and the Commonwealth)
  • (label) An achromatic colour intermediate between black and white.
  • an extraterrestrial creature with grayish skin, bulbous black eyes, and an enlarged head.
  • A penny with a tail on both sides, used for cheating.Sidney J. Baker, The Australian Language , second edition, 1966, chapter XI section 3, page 243

    • See also

    *

    References

    Etymology 2

    Named after (Louis Harold Gray).

    Noun

    (en noun)
  • In the International System of Units, the derived unit of absorbed dose of radiation (radiation absorbed by a patient); one joule of energy absorbed per kilogram of the patient's mass. Symbol: Gy
    • Derived terms
    * kilogray
    See also
    *

    Anagrams

    * * English eponyms ----

    graser

    English

    Alternative forms

    * gaser

    Noun

    (en noun)
  • (physics, science fiction) A device for the coherent amplification or generation of electromagnetic radiation in the gamma ray wavelength by the use of excitation energy in resonant atomic or molecular systems.
  • * {{quote-magazine
    • , year = 1964 , date = February , first = Wallace , last = Cloud , authorlink = , magazine = Popular Science Monthly , title = Science newsfront , url = http://books.google.com/books?id=qS0DAAAAMBAJ&pg=PA29 , issn = 0161-7370 , volume = 184 , issue = 2 , page = 29 , passage = The Russians are working on the graser . One B. V. Chirkov has published a theoretical study in the Soviet Journal of Experimental and Theoretical Physics . He thinks a very pure crystal, "pumped" with a powerful source of radiation (such a "hard" X rays), much as a ruby crystal is pumped with high-intensity light in one form of laser, could be stimulated to emit coherent gamma rays—pulses of high-energy radiation perfectly in step. }}
  • * {{quote-magazine
    • , year = 1974 , date = October , first = Harlan , last = Ellison , authorlink = Harlan Ellison , magazine = The Magazine of Fantasy and Science Fiction , title = Adrift Just Off the Islets of Langerhans: Latitude 38° 54' N, Longitude 77° 00' 13" W , volume = 47 , issue = 4 , page = 59 , passage = Not lasers. Grasers . Gamma Ray Amplification by Stimulated Emission of Radiation. }}
  • The beam of coherent gamma rays produced by such a device.
  • * {{quote-book
    • , year = 2008 , title = , first = Neal , last = Asher , authorlink = Neal Asher , passage = The graser beam melted through the far wall of the lounge, but luckily beyond that lay only sections of the complex containing the cargo runcibles, and there it finally spent its energy slagging the massive handler robots. }}

    Coordinate terms

    * laser * LASER * maser * MASER

    References

    *