[ raf-uh-nohs ]
/ ˈræf əˌnoʊs /
Save This Word!

noun Biochemistry.
a colorless, crystalline trisaccharide, C18H32O16⋅5H2O, with little or no sweetness, occurring in the sugar beet, cottonseed, etc., and breaking down to fructose, glucose, and galactose on hydrolysis.
There are grammar debates that never die; and the ones highlighted in the questions in this quiz are sure to rile everyone up once again. Do you know how to answer the questions that cause some of the greatest grammar debates?
Question 1 of 7
Which sentence is correct?
Also called gossypose, melitose, melitriose.

Origin of raffinose

1875–80; <French raffin(er) to refine (see raffinate) + -ose2
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use raffinose in a sentence

  • It is a constituent of sucrose, of raffinose, and of the polysaccharide inulin, from which it may be obtained by hydrolysis.

    The Chemistry of Plant Life|Roscoe Wilfred Thatcher
  • The hydrolysis of raffinose presents several interesting possibilities.

    The Chemistry of Plant Life|Roscoe Wilfred Thatcher
  • Three trisaccharides which are non-reducing sugars are found in plants; namely, raffinose, gentianose, and melizitose.

    The Chemistry of Plant Life|Roscoe Wilfred Thatcher
  • Of the higher sugars raffinose is fermented by juice from bottom yeast, but more slowly than cane sugar or maltose.

British Dictionary definitions for raffinose

/ (ˈræfɪˌnəʊz, -ˌnəʊs) /

biochem a trisaccharide of fructose, glucose, and galactose that occurs in sugar beet, cotton seed, certain cereals, etc. Formula: C 18 H 32 O 16

Word Origin for raffinose

C19: from French raffiner to refine + -ose ²
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for raffinose

[ răfə-nōs′ ]

A white crystalline sugar obtained from cottonseed meal, sugar beets, and molasses. Raffinose is an oligosaccharide, consisting of three simple sugars (fructose, galactose, and glucose) linked together. Chemical formula: C18H32O16.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.