: a sugar (such as fructose) containing in its acyclic form one ketone group per molecule

Word History


probably borrowed from German Ketose, from Keton ketone + -ose -ose entry 2

First Known Use

1891, in the meaning defined above

Time Traveler
The first known use of ketose was in 1891

Dictionary Entries Near ketose

Cite this Entry

“Ketose.” Dictionary, Merriam-Webster, Accessed 29 Sep. 2023.

Medical Definition


: a sugar (as fructose) containing one ketone group per molecule

More from Merriam-Webster on ketose

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