Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun An aromatic organic base, C9H7N, having a pungent tarlike odor, synthesized or obtained from coal tar, and used as a food preservative and in making antiseptics, drugs, and dyes.

from The Century Dictionary.

  • noun Same as chinoline.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Chem.) A nitrogenous base, C9H7N obtained as a pungent colorless liquid by the distillation of alkaloids, bones, coal tar, etc. It the nucleus of many organic bodies, especially of certain alkaloids and related substances; hence, by extension, any one of the series of alkaloidal bases of which quinoline proper is the type.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun organic chemistry Any of a class of aromatic heterocyclic compounds containing a benzene ring fused with a pyridine ring; especially the simplest such compound, C9H7N.

Etymologies

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Examples

  • "quinoline" were produced, at about half the price of quinine.

    Golden Days for Boys and Girls, Vol. XIII, Nov. 28, 1891 Various

  • The additives assessed in the study included sodium benzoate, sunset yellow, carmoisine, ponceau 4R, tartrazine, quinoline yellow and allura red.

    duh pookie 2009

  • The additives assessed in the study included sodium benzoate, sunset yellow, carmoisine, ponceau 4R, tartrazine, quinoline yellow and allura red.

    duh pookie 2009

  • Those colors are Yellow No. 5 (tartrazine), Yellow No. 10 (quinoline yellow, not approved in the U.S.)

    9 Food Additives Possibly Linked To ADHD (PHOTOS) The Huffington Post News Team 2010

  • Like quinine, chloroquine is a rather small molecule not a big, “macro” molecule and has a core structure called a “quinoline.”

    The Edge of Evolution Michael J. Behe 2007

  • Like quinine, chloroquine is a rather small molecule not a big, “macro” molecule and has a core structure called a “quinoline.”

    The Edge of Evolution Michael J. Behe 2007

  • Like quinine, chloroquine is a rather small molecule not a big, “macro” molecule and has a core structure called a “quinoline.”

    The Edge of Evolution Michael J. Behe 2007

  • Like quinine, chloroquine is a rather small molecule not a big, “macro” molecule and has a core structure called a “quinoline.”

    The Edge of Evolution Michael J. Behe 2007

  • The leather note isobutyl quinoline sp? is practically the same.

    Utterly Random Friday: An Ode to Boden Marina Geigert 2007

  • This is not exactly the case with the higher groups of alkaloids -- the derivatives of pyridine and quinoline.

    Scientific American Supplement, No. 623, December 10, 1887 Various

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