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Pathol a sudden attack or convulsion, such as an epileptic seizure


Archaic a story or song or a section of a story or song
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



in machine building, the character of the junction between machine parts. The fit determines the parts’ greater or lesser freedom of relative movement and their resistance to being displaced by each other.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


(design engineering)
The dimensional relationship between mating parts, such as press, shrink, or sliding fit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


i. The total avionics package in an aircraft.
ii. The desired clearance, if any, between mating surfaces (e.g., push fit, force fit).
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved

fitness tracker

A wrist-worn device that can detect some combination of walking steps, running distance, heart rate, sleep patterns and swimming laps. Fitness bands interact via Bluetooth with an app in a mobile device that configures the device and downloads the wearer's activity data. Most smartwatches support some number of physical actions via a health app; however, dedicated trackers tend to monitor more functions. See smartwatch.

The Fitbit Surge
The Surge tracks everything including steps, distance, calories and stairs climbed, and it notifies the wearer when a call or text comes in. (Image courtesy of Fitbit Inc.,

Withings Activite
This stylish Swiss-made watch from Withings sends steps, laps, run time and sleep patterns to the user's smartphone. A gentle vibration provides a wake-up alarm. (Image courtesy of Withings S.A.,

A Lot of Trackers
In 2015, Under Armour debuted UA Record, an app that pairs with all these brands and imports the data from the user's accounts. UA Record is an evolution of the MapMyFitness platform, which Under Armour acquired in 2013.

Google Fit

Google's software support for integrating fitness and health-related functions in Android wearable devices. Introduced in 2014, the Android Google Fit app is a central hub that collects data from the phone's sensors, Android Wear devices and supported fitness trackers. Fit is the Google counterpart of Apple's HealthKit platform. See fitness tracker and Android Wear.
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References in periodicals archive ?
Melissa Hood, 52, of Elgin, was the fifth Fittest Loser contestant and was training with Nicole Caliva at Push Fitness.
Rehan Asad, WFP Chief of Staff, said FITTEST's role in the field is crucial.
The expansion was made possible as the Fittest Championship partnered with the Masters League from Australia.
The Lodge in Limpopo, South Africa, the setting for Survival Of The Fittest
Callum said he could not turn down an experience like Survival of the Fittest and says he's a bit more quirky than the regular reality show bloke.
The report, which features on a BBC television programme about childhood fitness initiative Super Movers, said that the least fit child in a class of 30 in 1998 would be among the five fittest in 2018.
Selective phenome growth can be seen as randomly selecting one sequence as the fittest member of a prospective landscape and evolving the interaction map and therefore the fitness landscape around this fittest sequence.
The city also saw an influx of smartlydressed men and women take part in a motorbike ride to raise thousands for charity yesterday - the same day competitors slugged it out in the gruelling 10km obstacle course at Survival of the Fittest.
Talking to reporter, a Pakistan Cricket Board (PCB) official said that Fawad and Shaan have topped the fitness tests and are the fittest players among others.
When senior players like Misbah, Younis, Afridi and Hafeez are among the fittest in the squad, it goes to show the dire fitness levels of our youngsters.
It is horrendous, and especially seeing as he was one of the fittest players I ever played with.
"In order to win the World Cup you have to be the fittest team.