furfural

[ fur-fyuh-ral, -fuh- ]

noun

a colorless, oily liquid, C5H4O2, 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.

Origin of furfural

1875–80; <Latin furfur bran + -al³

Also called fur·fur·al·de·hyde [fur-fyuh-ral-duh-hahyd, -fuh-], /ˌfɜr fyəˈræl dəˌhaɪd, -fə-/, pyromucic aldehyde.

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

This enables us to exclude the furfural-yielding groups from the lignone complex.
Researches on Cellulose | C. F. Cross
It is usual to regard furfural as invariably produced from a pentose residue.
Researches on Cellulose | C. F. Cross
The furfural constants of the lignocellulose are unaffected by the acetylation and condensation.
Researches on Cellulose | C. F. Cross
The smoke of a single cigaret may contain as much furfural as two ounces of whisky.
How to Live | Irving Fisher and Eugene Fisk
(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

[ fûr′fə-răl′ ]

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.

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