fit

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fit

1
Pathol a sudden attack or convulsion, such as an epileptic seizure

fit

2
Archaic a story or song or a section of a story or song

Fit

 

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.

fit

[fit]
(design engineering)
The dimensional relationship between mating parts, such as press, shrink, or sliding fit.

fit

i. The total avionics package in an aircraft.
ii. The desired clearance, if any, between mating surfaces (e.g., push fit, force fit).

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., www.fitbit.com)







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., www.withings.com)







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.