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Red vs Indigo - What's the difference?

red | indigo |

As nouns the difference between red and indigo

is that red is (reverse electrodialysis) while indigo is anil, indigo (plant).

red

English

Etymology 1

From (etyl) (m), from (etyl) .

Adjective

(redder)
  • Having red as its color.
  • The girl wore a red skirt.
  • * Shakespeare
  • Your colour, I warrant you, is as red as any rose.
  • Of hair, having an orange-brown colour; ginger.
  • Her hair had red highlights.
  • Leftwing, socialist, or communist.
  • * "Only Nixon could go to China" was the refrain of conventional wisdom during Richard Nixon’s 1972 official visit to Mao Tse-tung’s regime. Nixon’s anti-communist credentials, however dubious, provided useful camouflage as he opened diplomatic relations with Red China and made breathtaking concessions that an undisguised liberal couldn’t get away with. [http://www.thenewamerican.com/tna/1998/vo14no16/vo14no16_dragon.htm]
  • (US, modern) Supportive of or dominated by the political party represented by the color red, especially the U.S. Republican Party.
  • a red state
    a red Congress
  • (US, modern) Of, pertaining to, or run by (a member of) the political party represented by the color red, especially the U.S. Republican Party.
  • a red advertisement
  • (British) Supportive of the Labour Party.
  • (Germany, politics) Related to the .
  • the red -black grand coalition
  • (astronomy) Of the lower-frequency region of the (typically visible) part of the electromagnetic spectrum which is relevant in the specific observation.
  • (particle physics) Having a color charge of red.
  • Antonyms
    * (having red as its colour) nonred, unred
    Derived terms
    * better dead than red * Little Red Riding Hood * Old Red Sandstone * ragged red fibers * red admiral * red alert * red algae * red ant * Red Army * red as a beetroot * redback * red-baiting * red-baked shrike * red bay * red-bellied black snake * red biddy * redbird * red blood cell * red-blooded * Red Brigades * redbud * redbug * red cabbage * red card * red carpet * red cedar * red cell * red cent * Red China * red circle rate * red clover * red Clydeside * redcoat * red coral * red corpuscle * Red Crescent * Red Cross * redcurrant * redden * red-diaper baby * reddish * red diesel * red drum * red earth * red ensign * redeye * red-faced * red fescue * red fire * redfish * red flag, Red Flag * red fox * red giant * red goods * red-green coalition * Red Guard * red gum * red-handed * red hat * redhead * redheaded * red heat * red herring * redhorse * red-hot * red-hot poker * red ink * red kangaroo * Red Ken * red lead * red leaf * red leg * red-legged grasshopper * Red Leicester * red-letter day * red light * red-light district * Red List * red maple * red marrow * red mass * red meat * red menace * red mercury * red mist * red mite * red mulberry * red mullet * red oak * red ocher * red osier * red packet * red panda * red-pencil * red pepper * red pine * red planet * red-point * redpoll * Red Poll * red puccoon * red rag * red rattle * red ribbon * redroot * red route * red scare * Red Sea * red setter * red shank * redshank * red shift * red-shouldered hawk * red siskin * red snapper * red snow * red spider * Red Spot * red spruce * Red Square * red squill * red squirrel * red state * red steenbras * reds under the bed * red tape * red tide * redtop * red-top * red valerian * Red Vienna * red water * red whortleberry * redwing * red-winged blackbird * red wolf * redwood * red worm * river red gum * western red cedar

    Noun

  • (countable, and, uncountable) Any of a range of colours having the longest wavelengths, 670 nm, of the visible spectrum; a primary additive colour for transmitted light: the colour obtained by subtracting green and blue from white light using magenta and yellow filters; the colour of blood, ripe strawberries, etc.
  • (countable) A revolutionary socialist or (most commonly) a Communist; (usually capitalized) a Bolshevik, a supporter of the Bolsheviks in the Russian Civil War.
  • (countable, snooker) One of the 15 red balls used in snooker, distinguished from the colours.
  • (countable, and, uncountable) wine.
  • * {{quote-song
  • , year = 1977 , title = (Scenes from an Italian Restaurant) , composer = (Billy Joel) , album = , passage = A bottle of red , a bottle of white / It all depends upon your appetite / I'll meet you any time you want / in our Italian restaurant. }}
  • (slang) The drug secobarbital; a capsule of this drug.
  • * 1971 , Hunter S. Thompson, Fear and Loathing in Las Vegas (Harper Perennial 2005), page 202:
  • The big market, these days, is in Downers. Reds and smack—Seconal and heroin—and a hellbroth of bad domestic grass sprayed with everything from arsenic to horse tranquillizers.
  • (informal) A red light (a traffic signal)
  • (Ireland, UK, beverages, informal) red lemonade
  • (particle physics) One of the three color charges for quarks.
  • Derived terms
    * antired * blood red * brick red * cherry red * Chinese red * chrome red * Congo red * go red * in the red * Indian red * Panama Red * phenol red * Pompeian red * see red * Turkey red * Venetian red

    See also

    * * * primary colour

    References

    * *

    Etymology 2

    From the archaic verb (m).

    Verb

    (head)
  • (archaic) (rede)
  • Etymology 3

    From (etyl) .

    Verb

  • (colloquial)
  • References

    * *

    Etymology 4

    From (etyl), from (etyl), compare (etyl) (m).

    Verb

    (redd)
  • (Pennsylvania)
  • References

    *

    indigo

    English

    (wikipedia indigo)

    Noun

  • A purplish-blue colour
  • * {{quote-book, year=1907, author=
  • , title=The Dust of Conflict , chapter=6 citation , passage=The night was considerably clearer than anybody on board her desired when the schooner Ventura headed for the land. It rose in places, black and sharp against the velvety indigo , over her dipping bow, though most of the low littoral was wrapped in obscurity.}}
  • An indigo-colored dye obtained from certain plants (the or woad), or a similar synthetic dye.
  • An indigo plant, such as from species in genera Indigofera'', ''Amorpha'' ( and ''Dalea (indigo bush).
  • Derived terms

    * (Viduidae family) * indigo blue * indigo bunting * indigo snake * indium * , Amorpha spp. ) * ) * wild indigo ()

    Adjective

    (head)
  • Having a deep blue colour.
  • See also

    * anil * aniline * * rainbow * Saxon blue *

    References

    ----