[ mawl-tohs ]
See synonyms for maltose on
  1. a white, crystalline, water-soluble sugar, C12H22O11⋅H2O, formed by the action of diastase, especially from malt, on starch: used chiefly as a nutrient, as a sweetener, and in culture media.

Origin of maltose

First recorded in 1860–65; malt + -ose2
  • Also called malt sugar, mal·to·bi·ose [mawl-toh-bahy-ohs]. /ˌmɔl toʊˈbaɪ oʊs/.

Words Nearby maltose Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use maltose in a sentence

  • The amylopsin likewise in the pancreatic secretion acts upon the starch and dextrin, changing them to maltose.

    Dietetics for Nurses | Fairfax T. Proudfit

British Dictionary definitions for maltose


/ (ˈmɔːltəʊz) /

  1. a disaccharide of glucose formed by the enzymic hydrolysis of starch: used in bacteriological culture media and as a nutrient in infant feeding. Formula: C 12 H 22 O 11

Origin of maltose

C19: from malt + -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 maltose


[ môltōs′ ]

  1. A sugar made by the action of various enzymes on starch. It is formed in the body during digestion. Maltose is a disaccharide consisting of two linked glucose molecules. Chemical formula: C12H22O11.

The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.