O OneWordDaily
AI-generated image
Word of the Day Tuesday, June 9, 2026

quark

/kwɑːrk/ noun · British & US
Valid in UKValid in US
Share WhatsApp

What does quark mean?

noun

A subatomic particle that is a constituent of protons and neutrons, and is a fundamental particle in the universe. Quarks are never found alone in nature, but are always bound together with other quarks or antiquarks to form composite particles called hadrons.

Example

"The quark model of hadrons has been widely accepted as a fundamental theory in particle physics."

Definition generated by AI and curated by RJS Tech Solutions LLP.

Synonyms for quark

Rhymes with quark

Etymologically related