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keto-

1 American  
  1. a combining form representing ketone in compound words.

    ketolysis.


keto 2 American  
[kee-toh] / ˈki toʊ /

adjective

Chemistry.
  1. of or derived from a ketone.


keto- British  

combining form

  1. indicating that a chemical compound is a ketone or is derived from a ketone

    ketose

    ketoxime

"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

Usage

What does keto mean? Keto is short for ketogenic, referring to a diet that is low in carbohydrates but high in protein.While originating as a medical diet, it's popularly associated with weight loss.

Etymology

Origin of keto

First recorded in 1910–15; independent use of keto-

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

I had a keto diet for most of this tour, and I thought that when I got back to carbs, I’d be more in moderation with it.

From Los Angeles Times

I wonder if Tano has ever considered a keto lifestyle.

From Literature

These people probably enjoy Ironman competitions, keto and intermittent fasting.

From The Wall Street Journal

"By switching to a keto diet, ketones are produced and used as an alternative fuel source. This may decrease the chance of developing Alzheimer's by preserving the health of brain cells."

From Science Daily

"As our study shows, diets like keto that are very high in fat can have serious unintended side effects -- even causing the tumor to grow."

From Science Daily