Showing results for keystones. Search instead for ketones.

keystones

NOUN

essence, theme

Synonyms

WEAK

basic idea basis center core cornerstone criterion crux gist heart idea kernel linchpin mainspring marrow measure motive nub pith principle root source spring standard substance

NOUN

base

Synonyms

STRONGEST

cornerstone

STRONG

crown foundation headstone mainstay principle root support wedge

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.

In related work published in Cell Reports Physical Science, the same group reported a method for directly combining these gases with acid chlorides to produce industrially important ketones in a single step.

From Science Daily • Feb. 27, 2026

Although alkyl ketones are far more common, they are also naturally harder to reduce than their aryl counterparts.

From Science Daily • Nov. 26, 2025

She died from diabetic ketoacidosis, which causes a dangerous build-up of ketones - a type of acid - and blood sugar spikes at her home in Toowoomba west of Brisbane in January 2022.

From BBC • Feb. 26, 2025

To feed cells that normally subsist on carbs, the liver pumps out molecules called ketones, hence the diet’s name.

From Science Magazine • May 16, 2024

Its bitter odor released the ketones of stress.

From "Middlesex: A Novel" by Jeffrey Eugenides