nuclear magnetic resonance

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noun Physics.

the selective absorption of electromagnetic radiation by an atomic nucleus in the presence of a strong, static, magnetic field: used in research and in medicine to monitor tissue metabolism and to distinguish between normal and abnormal cells. Abbreviation: NMR

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Origin of nuclear magnetic resonance

First recorded in 1940–45

Words nearby nuclear magnetic resonance

nuclear fuel, nuclear fusion, nuclearism, nuclear isomer, nuclearize, nuclear magnetic resonance, nuclear magnetic resonance scanner, nuclear magneton, nuclear medicine, nuclear membrane, nuclear option

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use nuclear magnetic resonance in a sentence

The answer lies in the atomic world and its quantum properties, specifically nuclear magnetic resonance—that’s where the “M” and “R” in fMRI come from.
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Other methods, with unfriendly names like “nuclear magnetic resonance spectroscopy,” are just as expensive and finicky.
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More recently, two other experimental methods—nuclear magnetic resonance and cryogenic electron microscopy—have also been used.
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But I think Steve Austin has to team up with a Japanese holdout to stop a nuclear bomb from going off or something.
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He used negotiations with Iran over its nuclear program as an example.
Fact-Checking the Sunday Shows: Dec 21|PunditFact.com|December 21, 2014|DAILY BEAST
It would be difficult to find an issue with less resonance with the vast majority of voters than climate change.
Time to Bring Back the Truman Democrats|Joel Kotkin|December 21, 2014|DAILY BEAST
Gordon G. Chang is a Forbes.com columnist and the author of Nuclear Showdown: North Korea Takes On the World.
U.S. Should Make North Korea Pay for Sony Hack|Gordon G. Chang|December 18, 2014|DAILY BEAST
Binding the resolution of my case to progress in the nuclear negotiations is profoundly unjust.
An American Marine in Iran’s Prisons Goes on Hunger Strike|IranWire|December 18, 2014|DAILY BEAST
The m relates it to the nares or humming tone (which is the basis of all resonance in the voice).
Expressive Voice Culture|Jessie Eldridge Southwick
He went off whistling, and Isabel raised her hand and looked at it meditatively; his own had been unexpectedly warm and magnetic.
Ancestors|Gertrude Atherton
Upon careful inspection, however, delicate nuclear bands connecting the parts can usually be seen.
A Manual of Clinical Diagnosis|James Campbell Todd
She came with an easy smile into the little group, and immediately her magnetic presence seemed to rivet all attention.
The Weight of the Crown|Fred M. White
Thus, the magnetic telegraph was expected for quite three hundred years before its first tap of the keys announced its presence.
Gospel Philosophy|J. H. Ward

British Dictionary definitions for nuclear magnetic resonance

nuclear magnetic resonance

noun

a technique for determining the magnetic moments of nuclei by subjecting a substance to high-frequency radiation and a large magnetic field. The technique is used as a method of determining structureAbbreviation: NMR See also electron spin resonance

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

Scientific definitions for nuclear magnetic resonance

nuclear magnetic resonance

The absorption of electromagnetic energy (typically radio waves) by the nuclei of atoms placed in a strong magnetic field. The nuclei of different atoms absorb unique frequencies of radiation depending on their environment, thus by observing which frequencies are absorbed by a sample placed in a strong magnetic field (and later emitted again, when the magnetic field is removed), it is possible to learn much about the sample's makeup and structure. Nuclear magnetic resonance has no known side effects on the human body, and is therefore used to analyze soft body tissues in magnetic resonance imaging (MRI).