[tree-huh-lohs, trih-hah-lohs]
noun Chemistry.
a white, crystalline disaccharide, C 12 H 22 O 11 , occurring in yeast, certain fungi, etc., and used to identify certain bacteria.

1860–65; trehal(a) + -ose2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
trehalose (ˈtriːhəˌləʊs, -ˌləʊz)
a white crystalline disaccharide that occurs in yeast and certain fungi. Formula: C12H22O11
[C19: from trehala]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
The vaccines are first mixed with two sugars, trehalose and sucrose.
And some sugars, such as sucrose and trehalose, can protect cells from the damaging effects of freezing.
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