Definition of standard model
: a theory in physics that describes the basic components of matter and the forces that govern their interactions
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According to the standard model, hydrogen and antihydrogen ought to have the exact same states and absorb photons of the exact same energies.
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The standard model comes with a paltry four gigs of RAM and 128 gigs of storage—neither of which will suffice.
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According to the standard model, all forces are mediated by specific particles.
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Elsewhere, 13 of the Andromeda Galaxy’s 15 satellites seem to orbit in the same plane, not the random cloud of orbits predicted by the standard model.
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The standard model of fundamental interactions provides a unified framework for three of these forces, but gravity cannot be consistently included in this picture.
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As indoor plumbing caught on in the 1800s, the bidet moved from the bedroom into the bathroom, and the standard model came into use: a tiny tub that could be filled with a faucet at either end.
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Today it's become a favorite silhouette for talented designers who revel in the opportunity to deconstruct (or go all out maximalist) with the long silhouette, making small tweaks to the standard model or boldly overhauling the whole thing.
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The smartphone is available in two forms: a standard model with 5-inch screen, and the larger XL with 6-inch screen.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'standard model.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of standard model
1982
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