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[fur-fyuh-ral, -fuh-] /ˈfɜr fyəˌræl, -fə-/
a colorless, oily liquid, C 5 H 4 O 2 , having an aromatic odor, obtained from bran, sugar, wood, corncobs, or the like, by distillation: used chiefly in the manufacture of plastics and as a solvent in the refining of lubricating oils.
Also called furfuraldehyde
[fur-fyuh-ral-duh-hahyd, -fuh-] /ˌfɜr fyəˈræl dəˌhaɪd, -fə-/ (Show IPA),
pyromucic aldehyde.
Origin of furfural
1875-80; < Latin furfur bran + -al3 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for furfural
Historical Examples
  • (b) Yield of furfural from cellulose, oxy- and hydro-cellulose.

  • The proportion of furfural obtained amounts to 3-4 per cent.

  • The residues were found to yield considerable proportions of furfural.

  • Thus, notably in regard to furfural yielding constituents, the latter yield 1-2 p.ct.

  • But the most characteristic feature is the high yield of furfural on boiling with condensing acids.

  • The cupric reduction falls in greater ratio to the original (unfermented) than the furfural.

  • Gluconic acid distilled with hydrochloric acid gave traces of furfural; so also with sulphuric acid and manganic oxide.

  • The distillates were collected in successive fractions, and the furfural and volatile acid determined.

  • The furfural constants of the lignocellulose are unaffected by the acetylation and condensation.

  • (e) Molisch's reaction for furfural will be shown by those proteins which contain a carbohydrate group.

    The Chemistry of Plant Life Roscoe Wilfred Thatcher
furfural in Science
A colorless, sweet-smelling, liquid made from corncobs and used as a solvent in petroleum refining and as a fungicide and weed killer. It turns reddish brown when exposed to air and light. Furfural is an aldehyde of furan. Chemical formula: C5H4O2.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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