strict observance of promises, duties, etc.: a servant's fidelity.
loyalty: fidelity to one's country.
conjugal faithfulness.
adherence to fact or detail.
accuracy; exactness: The speech was transcribed with great fidelity.
Audio, Video. the degree of accuracy with which sound or images are recorded or reproduced.
Origin of fidelity
First recorded in 1375–1425; late Middle English fidelite (from Middle French ), from Latin fidēlitās, equivalent to fidēli- (stem of fidēlis “loyal,” equivalent to fidē(s)faith + -lis adjective suffix) + -tās-ty2
To date most companies have struggled to produce quantum processors bearing more than double digit-qubits with fidelity.
IBM plans a huge leap in superfast quantum computing by 2023|rhhackettfortune|September 15, 2020|Fortune
It’s also possible to push them into particular states and read those states back out with high fidelity.
A New Startup Intends to Build the World’s First Large-Scale Quantum Computer|Edd Gent|June 22, 2020|Singularity Hub
Whereas images stored with existing methods tended to lose fidelity over time, the new chip’s images remained crystal clear.
MIT Wants to Put AI in Your Pocket With Confetti-Sized Brain Chip|Jason Dorrier|June 11, 2020|Singularity Hub
Ions flowing in memristors made from unalloyed materials tend to scatter as the components get smaller, meaning the signal loses fidelity and the resulting computations are less reliable.
MIT Wants to Put AI in Your Pocket With Confetti-Sized Brain Chip|Jason Dorrier|June 11, 2020|Singularity Hub
One key to this success has been developing fidelity standards.
Policymaking Is Not a Science (Yet) (Ep. 405)|Stephen J. Dubner|February 13, 2020|Freakonomics
But probably because we co-edited the Deadline Artists anthologies with our friend Jesse Angelo, we feel a fidelity to the form.
The Best Columns of 2014|John Avlon, Errol Louis|December 31, 2014|DAILY BEAST
If the noble experiment of American democracy is to mean anything, it is fidelity to the principle of freedom.
The Sony Hack and America’s Craven Capitulation To Terror|David Keyes|December 19, 2014|DAILY BEAST
In contrast to past beliefs, repetition may reduce the fidelity of memory representations.
Repetition Doesn’t Work: Better Ways to Train Your Memory|Gregory Ferenstein|July 12, 2014|DAILY BEAST
The Cardinals were also required to swear an oath of fidelity to “Blessed Peter in the person of the Supreme Pontiff.”
Who Really Put the Pope in Charge?|Candida Moss|April 27, 2014|DAILY BEAST
Most of the early press about Noah has focused on its fidelity to the Bible (or lack thereof).
‘Noah’ Review: An Ambitious, Flawed Biblical Tale That You Have to See|Andrew Romano|March 28, 2014|DAILY BEAST
The secret motives which actuate that mysterious woman are also impenetrable, but her fidelity is beyond a doubt.
The Fortunes of Hector O'Halloran, And His Man Mark Antony O'Toole|W. H. Maxwell
A legitimist association, the Chevaliers of Fidelity, stirred about among these the republican affiliations.
Les Misrables|Victor Hugo
How has He sometimes undertaken to revive His Church's fidelity?
Sketches of the Covenanters|J. C. McFeeters
My sword and my fidelity are all my hope; that both should remain pure and unblemished is all my wish.
Tom Burke Of "Ours", Volume I (of II)|Charles James Lever
You will know the sincere nature-writer by his fidelity to fact.
The Face of the Fields|Dallas Lore Sharp
British Dictionary definitions for fidelity
fidelity
/ (fɪˈdɛlɪtɪ) /
nounplural-ties
devotion to duties, obligations, etc; faithfulness
loyalty or devotion, as to a person or cause
faithfulness to one's spouse, lover, etc
adherence to truth; accuracy in reporting detail
electronicsthe degree to which the output of a system, such as an amplifier or radio, accurately reproduces the characteristics of the input signalSee also high fidelity
Word Origin for fidelity
C15: from Latin fidēlitās, from fidēlis faithful, from fidēs faith, loyalty