What does "keto" mean?

The carbonyl group of a ketone.

Keto

Common synonyms include: carbonyl related, keto diet, ketogenic, ketogenic diet, ketone related, low carb.

/ˈkitoʊ/ adj, noun, slang

adj, noun, slang ·Moderate ·College level

Noun

1
The carbonyl group of a ketone.
2
Ellipsis of keto diet, abbreviation of ketogenic diet. abbreviation, alt-of, ellipsis

Adjective

1
Clipping of ketogenic. abbreviation, alt-of, clipping, informal, not-comparable
"a keto diet"

"Tom's on a strict keto diet and measures his ketones multiple times a day."